diff --git a/netbox/dcim/api/nested_serializers.py b/netbox/dcim/api/nested_serializers.py
index c8440612d..419d9b175 100644
--- a/netbox/dcim/api/nested_serializers.py
+++ b/netbox/dcim/api/nested_serializers.py
@@ -414,11 +414,11 @@ class NestedFrontPortSerializer(WritableNestedSerializer):
 
 class NestedModuleBaySerializer(WritableNestedSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='dcim-api:modulebay-detail')
-    module = NestedModuleSerializer(required=False, read_only=True, allow_null=True)
+    installed_module = ModuleBayNestedModuleSerializer(required=False, allow_null=True)
 
     class Meta:
         model = models.ModuleBay
-        fields = ['id', 'url', 'display', 'module', 'name']
+        fields = ['id', 'url', 'display', 'installed_module', 'name']
 
 
 class NestedDeviceBaySerializer(WritableNestedSerializer):
diff --git a/netbox/dcim/api/serializers.py b/netbox/dcim/api/serializers.py
index f8541f013..ab3177de5 100644
--- a/netbox/dcim/api/serializers.py
+++ b/netbox/dcim/api/serializers.py
@@ -1039,8 +1039,7 @@ class ModuleBaySerializer(NetBoxModelSerializer):
         model = ModuleBay
         fields = [
             'id', 'url', 'display', 'device', 'name', 'installed_module', 'label', 'position', 'description', 'tags',
-            'custom_fields',
-            'created', 'last_updated',
+            'custom_fields', 'created', 'last_updated',
         ]
 
 
diff --git a/netbox/dcim/tests/test_api.py b/netbox/dcim/tests/test_api.py
index d02422c6f..b0670fdff 100644
--- a/netbox/dcim/tests/test_api.py
+++ b/netbox/dcim/tests/test_api.py
@@ -1755,7 +1755,7 @@ class RearPortTest(APIViewTestCases.APIViewTestCase):
 
 class ModuleBayTest(APIViewTestCases.APIViewTestCase):
     model = ModuleBay
-    brief_fields = ['display', 'id', 'module', 'name', 'url']
+    brief_fields = ['display', 'id', 'installed_module', 'name', 'url']
     bulk_update_data = {
         'description': 'New description',
     }