diff --git a/mlx/backend/cuda/conv.cpp b/mlx/backend/cuda/conv.cpp
index 4a2917254..fd3bc1118 100644
--- a/mlx/backend/cuda/conv.cpp
+++ b/mlx/backend/cuda/conv.cpp
@@ -147,6 +147,7 @@ bool execute_plan(
     return false;
   }
 
+  encoder.add_completed_handler([plan = std::move(plan)]() {});
   encoder.add_temporary(workspace);
   return true;
 }