diff --git a/atlassian/service_desk.py b/atlassian/service_desk.py
index 328e1a6a9..84536a613 100644
--- a/atlassian/service_desk.py
+++ b/atlassian/service_desk.py
@@ -324,6 +324,9 @@ def get_organisations(self, service_desk_id=None, start=0, limit=50):
             )
         return self.get(url_with_sd_id, headers=self.experimental_headers, params=params)
 
+    # add alias for spelling consistency
+    get_organizations = get_organisations
+
     def get_organization(self, organization_id):
         """
         Get an organization for a given organization ID
diff --git a/tests/test_servicedesk.py b/tests/test_servicedesk.py
index 274e45c6f..edd63571c 100644
--- a/tests/test_servicedesk.py
+++ b/tests/test_servicedesk.py
@@ -1,7 +1,8 @@
 # coding: utf8
-import pytest
 import sys
 
+import pytest
+
 from atlassian import ServiceDesk
 
 SERVICEDESK = None
@@ -25,6 +26,10 @@ def test_get_organisations(self):
         result = [x["name"] for x in SERVICEDESK.get_organisations()["values"]]
         assert result == ["Charlie Cakes Franchises"], "Result of [get_organisations()]"
 
+    def test_get_organizations(self):
+        result = [x["name"] for x in SERVICEDESK.get_organizations()["values"]]
+        assert result == ["Charlie Cakes Franchises"], "Result of [get_organizations()]"
+
     def test_get_organisations_servicedesk_id(self):
         result = [x["name"] for x in SERVICEDESK.get_organisations(service_desk_id="{serviceDeskId}")["values"]]
         assert result == [
@@ -33,6 +38,14 @@ def test_get_organisations_servicedesk_id(self):
             "The Adjustment Bureau",
         ], "Result of [get_organisations(service_desk_id)]"
 
+    def test_get_organizations_servicedesk_id(self):
+        result = [x["name"] for x in SERVICEDESK.get_organizations(service_desk_id="{serviceDeskId}")["values"]]
+        assert result == [
+            "Charlie Cakes Franchises",
+            "Atlas Coffee Co",
+            "The Adjustment Bureau",
+        ], "Result of [get_organizations(service_desk_id)]"
+
     def test_get_organization(self):
         result = SERVICEDESK.get_organization("{organizationId}")
         assert result["name"] == "Charlie Cakes Franchises", "Result of [test_get_organization(...)]"