diff --git a/registrar/cli.py b/registrar/cli.py
index df857e82fe3e738d0f7002a3f5260c6138f08a63..cbe38f799005776cee898568271b161eceb979a2 100644
--- a/registrar/cli.py
+++ b/registrar/cli.py
@@ -163,7 +163,9 @@ def deregister(ctx, route_name, item, identifier):
                 deregister --identifier myroute "someid"
     """
     config: RegistrarConfig = ctx["CONFIG"]
-    registrar.deregister(config.routes[route_name], item, use_id=identifier)
+    registrar.deregister(
+        config.routes[route_name], config.sources, item, use_id=identifier
+    )
 
 
 if __name__ == "__main__":