diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c
index caddde3f088c8ea65743070563a093921c3d2b2d..bb3bddeefd798366fe205eb67b55b3b4a7301df4 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -629,6 +629,10 @@ static bool hasAdditionalErrorInfo(int32_t code, SSqlCmd *pCmd) {
     return false;
   }
 
+  if (pCmd->payload == NULL) {
+    return false;
+  }
+
   size_t len = strlen(pCmd->payload);
 
   char *z = NULL;