diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c
index 398f4f636c..9cd04dc353 100644
--- a/source/libs/function/src/udfd.c
+++ b/source/libs/function/src/udfd.c
@@ -647,6 +647,7 @@ void udfdProcessTeardownRequest(SUvUdfWork *uvUdf, SUdfRequest *request) {
     uv_cond_destroy(&udf->condReady);
     uv_mutex_destroy(&udf->lock);
     udf->scriptPlugin->udfDestroyFunc(udf->scriptUdfCtx);
+    taosMemoryFree(udf);
   }
   taosMemoryFree(handle);