diff --git a/src/common/src/tvariant.c b/src/common/src/tvariant.c
index 87981f22d37d21609b4ccf04e2f97461495d0ccc..fdfa933cdeb2be89c20a5e617c082ff28378701f 100644
--- a/src/common/src/tvariant.c
+++ b/src/common/src/tvariant.c
@@ -192,7 +192,7 @@ void tVariantAssign(tVariant *pDst, const tVariant *pSrc) {
 
   }
 
-  if (IS_NUMERIC_TYPE(pSrc->nType)) {
+  if (IS_NUMERIC_TYPE(pSrc->nType) || (pSrc->nType == TSDB_DATA_TYPE_BOOL)) {
     pDst->i64 = pSrc->i64;
   } else if (pSrc->nType == TSDB_DATA_TYPE_ARRAY) {  // this is only for string array
     size_t num = taosArrayGetSize(pSrc->arr);