diff --git a/src/backend/langflow/graph/vertex/types.py b/src/backend/langflow/graph/vertex/types.py
index b48733e84..a8b38bb3f 100644
--- a/src/backend/langflow/graph/vertex/types.py
+++ b/src/backend/langflow/graph/vertex/types.py
@@ -208,7 +208,7 @@ class PromptVertex(Vertex):
             # with the variables filled in
             return self._built_object.format(**self.artifacts)
         else:
-            super()._built_object_repr()
+            return super()._built_object_repr()
 
 
 class OutputParserVertex(Vertex):