diff --git a/source/libs/nodes/src/nodesUtilFuncs.c b/source/libs/nodes/src/nodesUtilFuncs.c
index 758f9d5d6f..d4457a056e 100644
--- a/source/libs/nodes/src/nodesUtilFuncs.c
+++ b/source/libs/nodes/src/nodesUtilFuncs.c
@@ -1226,7 +1226,7 @@ void valueNodeToVariant(const SValueNode* pNode, SVariant* pVal) {
     case TSDB_DATA_TYPE_NCHAR:
     case TSDB_DATA_TYPE_VARCHAR:
     case TSDB_DATA_TYPE_VARBINARY:
-      pVal->pz = pNode->datum.p + VARSTR_HEADER_SIZE;
+      pVal->pz = pNode->datum.p;
       break;
     case TSDB_DATA_TYPE_JSON:
     case TSDB_DATA_TYPE_DECIMAL: