diff --git a/landingzones/static/landingzones/js/landingzones.js b/landingzones/static/landingzones/js/landingzones.js
index 3a8bf51d..90fd16f6 100644
--- a/landingzones/static/landingzones/js/landingzones.js
+++ b/landingzones/static/landingzones/js/landingzones.js
@@ -12,7 +12,6 @@ var updateZoneStatus = function() {
         var trId = $(this).attr('id');
         var zoneTr = $('#' + trId);
         var zoneUuid = $(this).attr('data-zone-uuid');
-        var sampleUrl = $(this).attr('data-sample-url');
         var statusTd = zoneTr.find('td#sodar-lz-zone-status-' + zoneUuid);
 
         if (statusTd.text() !== 'MOVED' && statusTd.text() !== 'DELETED') {
@@ -21,102 +20,104 @@ var updateZoneStatus = function() {
     });
 
     // Make the POST request to retrieve zone statuses
-    $.ajax({
-        url: zoneStatusUrl,
-        method: 'POST',
-        dataType: 'json',
-        data: {
-            zone_uuids: zoneUuids
-        }
-    }).done(function(data) {
-        $('.sodar-lz-zone-tr-existing').each(function() {
-            var zoneUuid = $(this).attr('data-zone-uuid');
-            var zoneTr = $('#' + $(this).attr('id'));
-            var statusTd = zoneTr.find('td#sodar-lz-zone-status-' + zoneUuid);
-            var statusInfoSpan = zoneTr.find('span#sodar-lz-zone-status-info-' + zoneUuid);
-            var statusStyles = {
-                'CREATING': 'bg-warning',
-                'NOT CREATED': 'bg-danger',
-                'ACTIVE': 'bg-info',
-                'PREPARING': 'bg-warning',
-                'VALIDATING': 'bg-warning',
-                'MOVING': 'bg-warning',
-                'MOVED': 'bg-success',
-                'FAILED': 'bg-danger',
-                'DELETING': 'bg-warning',
-                'DELETED': 'bg-secondary'
-            };
-
-            if (data[zoneUuid]) {
-                var zoneStatus = data[zoneUuid].status;
-                var zoneStatusInfo = data[zoneUuid].status_info;
-
-                if (
-                    statusTd.text() !== zoneStatus ||
-                    statusInfoSpan.text() !== zoneStatusInfo
-                ) {
-                    statusTd.text(zoneStatus);
-                    statusTd.removeClass();
-                    statusTd.addClass(statusStyles[zoneStatus] + ' text-white');
-                    statusInfoSpan.text(zoneStatusInfo);
+    if (zoneUuids.length > 0) {
+        $.ajax({
+            url: zoneStatusUrl,
+            method: 'POST',
+            dataType: 'JSON',
+            data: {
+                zone_uuids: zoneUuids
+            }
+        }).done(function(data) {
+            $('.sodar-lz-zone-tr-existing').each(function() {
+                var zoneUuid = $(this).attr('data-zone-uuid');
+                var zoneTr = $('#' + $(this).attr('id'));
+                var statusTd = zoneTr.find('td#sodar-lz-zone-status-' + zoneUuid);
+                var statusInfoSpan = zoneTr.find('span#sodar-lz-zone-status-info-' + zoneUuid);
+                var statusStyles = {
+                    'CREATING': 'bg-warning',
+                    'NOT CREATED': 'bg-danger',
+                    'ACTIVE': 'bg-info',
+                    'PREPARING': 'bg-warning',
+                    'VALIDATING': 'bg-warning',
+                    'MOVING': 'bg-warning',
+                    'MOVED': 'bg-success',
+                    'FAILED': 'bg-danger',
+                    'DELETING': 'bg-warning',
+                    'DELETED': 'bg-secondary'
+                };
 
-                    if (['PREPARING', 'VALIDATING', 'MOVING', 'DELETING'].includes(zoneStatus)) {
-                        statusTd.append(
-                            '<span class="pull-right"><i class="iconify" data-icon="mdi:lock"></i></span>'
-                        );
-                    }
+                if (data[zoneUuid]) {
+                    var zoneStatus = data[zoneUuid].status;
+                    var zoneStatusInfo = data[zoneUuid].status_info;
 
-                    if (['CREATING', 'NOT CREATED', 'MOVED', 'DELETED'].includes(zoneStatus)) {
-                        zoneTr.find('p#sodar-lz-zone-stats-container-' + zoneUuid).hide();
+                    if (
+                        statusTd.text() !== zoneStatus ||
+                        statusInfoSpan.text() !== zoneStatusInfo
+                    ) {
+                        statusTd.text(zoneStatus);
+                        statusTd.removeClass();
+                        statusTd.addClass(statusStyles[zoneStatus] + ' text-white');
+                        statusInfoSpan.text(zoneStatusInfo);
 
-                        if (zoneStatus === 'MOVED') {
-                            var statusMovedSpan = zoneTr.find(
-                                'span#sodar-lz-zone-status-moved-' + zoneUuid
-                            );
-                            statusMovedSpan.html(
-                                '<p class="mb-0"><a href="' +
-                                sampleUrl +
-                                '">' +
-                                '<i class="iconify" data-icon="mdi:arrow-right-circle"></i> ' +
-                                'Browse files in sample sheet</a></p>'
+                        if (['PREPARING', 'VALIDATING', 'MOVING', 'DELETING'].includes(zoneStatus)) {
+                            statusTd.append(
+                                '<span class="pull-right"><i class="iconify" data-icon="mdi:lock"></i></span>'
                             );
                         }
-                    }
 
-                    // Button modification
-                    if (zoneStatus !== 'ACTIVE' && zoneStatus !== 'FAILED' && isSuperuser) {}
-                    else if (zoneStatus !== 'ACTIVE' && zoneStatus !== 'FAILED') {
-                        zoneTr.find('td.sodar-lz-zone-title').addClass('text-muted');
-                        zoneTr.find('td.sodar-lz-zone-assay').addClass('text-muted');
-                        zoneTr.find('td.sodar-lz-zone-status-info').addClass('text-muted');
-                        zoneTr.find('.btn').each(function() {
-                            if ($(this).is('button')) {
-                                $(this).attr('disabled', 'disabled');
-                            } else if ($(this).is('a')) {
-                                $(this).addClass('disabled');
-                            }
-                            $(this).tooltip('disable');
-                        });
-                        zoneTr.find('.sodar-list-dropdown').addClass('disabled');
-                    } else {
-                        zoneTr.find('td.sodar-lz-zone-title').removeClass('text-muted');
-                        zoneTr.find('td.sodar-lz-zone-assay').removeClass('text-muted');
-                        zoneTr.find('td.sodar-lz-zone-status-info').removeClass('text-muted');
-                        zoneTr.find('p#sodar-lz-zone-stats-container-' + zoneUuid).show();
-                        zoneTr.find('.btn').each(function() {
-                            if ($(this).is('button')) {
-                                $(this).removeAttr('disabled');
+                        if (['CREATING', 'NOT CREATED', 'MOVED', 'DELETED'].includes(zoneStatus)) {
+                            zoneTr.find('p#sodar-lz-zone-stats-container-' + zoneUuid).hide();
+
+                            if (zoneStatus === 'MOVED') {
+                                var statusMovedSpan = zoneTr.find(
+                                    'span#sodar-lz-zone-status-moved-' + zoneUuid
+                                );
+                                statusMovedSpan.html(
+                                    '<p class="mb-0"><a href="' +
+                                    sampleUrl +
+                                    '">' +
+                                    '<i class="iconify" data-icon="mdi:arrow-right-circle"></i> ' +
+                                    'Browse files in sample sheet</a></p>'
+                                );
                             }
-                            $(this).removeClass('disabled');
-                            $(this).tooltip('enable');
-                        });
-                        zoneTr.find('.sodar-list-dropdown').removeClass('disabled');
+                        }
+
+                        // Button modification
+                        if (zoneStatus !== 'ACTIVE' && zoneStatus !== 'FAILED' && isSuperuser) {}
+                        else if (zoneStatus !== 'ACTIVE' && zoneStatus !== 'FAILED') {
+                            zoneTr.find('td.sodar-lz-zone-title').addClass('text-muted');
+                            zoneTr.find('td.sodar-lz-zone-assay').addClass('text-muted');
+                            zoneTr.find('td.sodar-lz-zone-status-info').addClass('text-muted');
+                            zoneTr.find('.btn').each(function() {
+                                if ($(this).is('button')) {
+                                    $(this).attr('disabled', 'disabled');
+                                } else if ($(this).is('a')) {
+                                    $(this).addClass('disabled');
+                                }
+                                $(this).tooltip('disable');
+                            });
+                            zoneTr.find('.sodar-list-dropdown').addClass('disabled');
+                        } else {
+                            zoneTr.find('td.sodar-lz-zone-title').removeClass('text-muted');
+                            zoneTr.find('td.sodar-lz-zone-assay').removeClass('text-muted');
+                            zoneTr.find('td.sodar-lz-zone-status-info').removeClass('text-muted');
+                            zoneTr.find('p#sodar-lz-zone-stats-container-' + zoneUuid).show();
+                            zoneTr.find('.btn').each(function() {
+                                if ($(this).is('button')) {
+                                    $(this).removeAttr('disabled');
+                                }
+                                $(this).removeClass('disabled');
+                                $(this).tooltip('enable');
+                            });
+                            zoneTr.find('.sodar-list-dropdown').removeClass('disabled');
+                        }
                     }
                 }
-            }
+            });
+        window.zoneStatusUpdated = true;
         });
-    window.zoneStatusUpdated = true;
-    });
+    }
 };
 
 $(document).ready(function() {
diff --git a/landingzones/tests/test_views_ajax.py b/landingzones/tests/test_views_ajax.py
index 6fe059fc..396cacbc 100644
--- a/landingzones/tests/test_views_ajax.py
+++ b/landingzones/tests/test_views_ajax.py
@@ -26,3 +26,16 @@ def test_post(self):
             }
         }
         self.assertEquals(response.data, expected)
+
+    def test_post_no_zone(self):
+        """Test POST request for getting a landing zone status with no zones"""
+        with self.login(self.user):
+            response = self.client.post(
+                reverse(
+                    'landingzones:ajax_status',
+                    kwargs={'project': self.project.sodar_uuid},
+                ),
+                data={'zone_uuids[]': []},
+            )
+        self.assertEqual(response.status_code, 200)
+        self.assertEquals(response.data, {})