diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index 9b98ca19fce089f093310146c36903b42cfdf353..f4f555e2df2173e448018dfaa9fefedc65073c9e 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -793,6 +793,7 @@ static void tsdbFreeTable(STable *pTable) {
 
     tSkipListDestroy(pTable->pIndex);
     taosTZfree(pTable->lastRow);
+    tfree(pTable->lastCols);
     tfree(pTable->sql);
 
     for (int i = 0; i < pTable->lastColNum; ++i) {