diff --git a/webapp/backend/services/clusterService.py b/webapp/backend/services/clusterService.py
index e4f2e08..0770ab4 100644
--- a/webapp/backend/services/clusterService.py
+++ b/webapp/backend/services/clusterService.py
@@ -183,6 +183,7 @@ def generate_from_cluster(
         base_name = f"cluster-diagram-{uuid.uuid4().hex[:8]}"
         base_path = os.path.join(tempfile.gettempdir(), base_name)
         requested_output, png_output = FileManager.get_output_paths(base_path, output_format)
+        dot_output = requested_output.replace(".dot_json", ".dot") if output_format == "dot_json" else None
 
         cmd = ["kubectl-diagrams", resources_arg]
 
@@ -274,4 +275,4 @@ def generate_from_cluster(
             success=False,
             error=f"Unexpected error: {str(e)}",
             command=" ".join(cmd) or "kubectl-diagrams"
-        )
\ No newline at end of file
+        )