diff --git a/src/common/src/tname.c b/src/common/src/tname.c
index bc852e7fdaedbfc6cf9cd03ed1c5f77dfc21c4e4..de6bdd5003555ca16e77f5bd73c0395c98128a7d 100644
--- a/src/common/src/tname.c
+++ b/src/common/src/tname.c
@@ -203,7 +203,7 @@ static bool doValidateSchema(SSchema* pSchema, int32_t numOfCols, int32_t maxLen
       if (pSchema[i].bytes > TSDB_MAX_BINARY_LEN) {
         return false;
       }
-    } else if (pSchema[i].type == TSDB_DATA_TYPE_NCHAR || (pSchema[i].type == TSDB_DATA_TYPE_JSON && JSON_TYPE_BINARY)) {
+    } else if (pSchema[i].type == TSDB_DATA_TYPE_NCHAR || (pSchema[i].type == TSDB_DATA_TYPE_JSON && JSON_TYPE_NCHAR)) {
       if (pSchema[i].bytes > TSDB_MAX_NCHAR_LEN) {
         return false;
       }