diff --git a/SoftLayer/managers/network.py b/SoftLayer/managers/network.py
index 2513a912f..621cded90 100644
--- a/SoftLayer/managers/network.py
+++ b/SoftLayer/managers/network.py
@@ -318,19 +318,19 @@ def edit_securitygroup_rule(self, group_id, rule_id, remote_ip=None,
         """
         successful = False
         obj = {}
-        if remote_ip:
+        if remote_ip is not None:
             obj['remoteIp'] = remote_ip
-        if remote_group:
+        if remote_group is not None:
             obj['remoteGroupId'] = remote_group
-        if direction:
+        if direction is not None:
             obj['direction'] = direction
-        if ethertype:
+        if ethertype is not None:
             obj['ethertype'] = ethertype
-        if port_max:
+        if port_max is not None:
             obj['portRangeMax'] = port_max
-        if port_min:
+        if port_min is not None:
             obj['portRangeMin'] = port_min
-        if protocol:
+        if protocol is not None:
             obj['protocol'] = protocol
 
         if obj:
diff --git a/tests/managers/network_tests.py b/tests/managers/network_tests.py
index cf38e730f..7a84bebae 100644
--- a/tests/managers/network_tests.py
+++ b/tests/managers/network_tests.py
@@ -244,6 +244,23 @@ def test_edit_securitygroup_rule(self):
                                 args=([{'id': 500,
                                         'direction': 'ingress'}],))
 
+    def test_edit_securitygroup_rule_unset(self):
+        # Test calling edit rule with falsy values, which are used
+        # to unset those values in the API
+        result = self.network.edit_securitygroup_rule(100, 500,
+                                                      protocol='',
+                                                      port_min=-1,
+                                                      port_max=-1,
+                                                      ethertype='',
+                                                      remote_ip='')
+
+        self.assertTrue(result)
+        self.assert_called_with('SoftLayer_Network_SecurityGroup',
+                                'editRules', identifier=100,
+                                args=([{'id': 500, 'protocol': '',
+                                        'portRangeMin': -1, 'portRangeMax': -1,
+                                        'ethertype': '', 'remoteIp': ''}],))
+
     def test_get_rwhois(self):
         result = self.network.get_rwhois()