diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index 280c1c16eb96a06da5a82f25a77a8e35be670abd..f05f2ef9391636fc36c7626b1982d4f92d467c4c 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -696,6 +696,7 @@ void tscSetBoundColumnInfo(SParsedDataColInfo *pColInfo, SSchema *pSchema, int32
   pColInfo->numOfCols = numOfCols;
   pColInfo->numOfBound = numOfCols;
   pColInfo->orderStatus = ORDER_STATUS_ORDERED;  // default is ORDERED for non-bound mode
+  pColInfo->boundColsLen = 0;
   pColInfo->boundedColumns = calloc(pColInfo->numOfCols, sizeof(int32_t));
   pColInfo->cols = calloc(pColInfo->numOfCols, sizeof(SBoundColumn));
   pColInfo->colIdxInfo = NULL;