diff --git a/src/common/src/texpr.c b/src/common/src/texpr.c
index b764ffbb012d98408b333d147ca0c40a95c6bcdc..365e70e482cd41d5db81556d52d6785f9e6192c8 100644
--- a/src/common/src/texpr.c
+++ b/src/common/src/texpr.c
@@ -367,7 +367,8 @@ static void reverseCopy(char* dest, const char* src, int16_t type, int32_t numOf
       return;
     }
     case TSDB_DATA_TYPE_BIGINT:
-    case TSDB_DATA_TYPE_UBIGINT: {
+    case TSDB_DATA_TYPE_UBIGINT:
+    case TSDB_DATA_TYPE_TIMESTAMP: {
       int64_t* p = (int64_t*) dest;
       int64_t* pSrc = (int64_t*) src;