diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 2f98c21e4ffc7f586d89e5e5e0fe6994f51c6fd2..9a66c0df183db6db2f2c817b08b0ff336c2b180b 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -4361,7 +4361,7 @@ static int32_t getColQueryCondExpr(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, tSqlEx
     };
 
     if (pQueryInfo->colCond == NULL) {
-      pQueryInfo->colCond = taosArrayInit(2, sizeof(SCond));
+      pQueryInfo->colCond = taosArrayInit(2, sizeof(STblCond));
     }
     
     taosArrayPush(pQueryInfo->colCond, &cond);