diff --git a/source/dnode/mgmt/exe/dmMain.c b/source/dnode/mgmt/exe/dmMain.c
index a432201413..d308d3e618 100644
--- a/source/dnode/mgmt/exe/dmMain.c
+++ b/source/dnode/mgmt/exe/dmMain.c
@@ -178,7 +178,7 @@ static int32_t dmInitLog() {
 }
 
 static void taosCleanupArgs() {
-  if (global.envCmd != NULL) taosMemoryFree(global.envCmd);
+  if (global.envCmd != NULL) taosMemoryFreeClear(global.envCmd);
 }
 
 int main(int argc, char const *argv[]) {
@@ -271,7 +271,6 @@ int mainWindows(int argc, char **argv) {
 
     taosCleanupCfg();
     taosCloseLog();
-    taosCleanupArgs();
     taosConvDestroy();
     return -1;
   }