diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 070be788d0..5e1083c240 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -969,11 +969,18 @@ class JobEventSerializer(BaseSerializer):
 
 class ActivityStreamSerializer(BaseSerializer):
 
+    changes = serializers.SerializerMethodField('get_changes')
+
     class Meta:
         model = ActivityStream
         fields = ('id', 'url', 'related', 'summary_fields', 'timestamp', 'operation', 'changes',
                   'object1_id', 'object1', 'object1_type', 'object2_id', 'object2', 'object2_type', 'object_relationship_type')
 
+    def get_changes(self, obj):
+        if obj is None:
+            return {}
+        return json.loads(obj.changes)
+
     def get_related(self, obj):
         if obj is None:
             return {}