diff --git a/zerver/lib/actions.py b/zerver/lib/actions.py
index 281453c6eb..cd082dec78 100644
--- a/zerver/lib/actions.py
+++ b/zerver/lib/actions.py
@@ -294,13 +294,13 @@ def realm_user_count(realm: Realm) -> int:
     return UserProfile.objects.filter(realm=realm, is_active=True, is_bot=False).count()
 
 def realm_user_count_by_role(realm: Realm) -> Dict[str, Any]:
-    human_counts = {UserProfile.ROLE_REALM_ADMINISTRATOR: 0,
-                    UserProfile.ROLE_REALM_OWNER: 0,
-                    UserProfile.ROLE_MEMBER: 0,
-                    UserProfile.ROLE_GUEST: 0}
+    human_counts = {str(UserProfile.ROLE_REALM_ADMINISTRATOR): 0,
+                    str(UserProfile.ROLE_REALM_OWNER): 0,
+                    str(UserProfile.ROLE_MEMBER): 0,
+                    str(UserProfile.ROLE_GUEST): 0}
     for value_dict in list(UserProfile.objects.filter(
             realm=realm, is_bot=False, is_active=True).values('role').annotate(Count('role'))):
-        human_counts[value_dict['role']] = value_dict['role__count']
+        human_counts[str(value_dict['role'])] = value_dict['role__count']
     bot_count = UserProfile.objects.filter(realm=realm, is_bot=True, is_active=True).count()
     return {
         RealmAuditLog.ROLE_COUNT_HUMANS: human_counts,