diff --git a/source/util/src/tsimplehash.c b/source/util/src/tsimplehash.c
index db73dac929fdd82c6dd8933214b5bbeaefe74930..062d7a0ae414484b2bbe37898a44d7de97a1ab3d 100644
--- a/source/util/src/tsimplehash.c
+++ b/source/util/src/tsimplehash.c
@@ -108,7 +108,7 @@ static void* doInternalAlloc(SSHashObj* pHashObj, int32_t size) {
     taosArrayPush(pHashObj->pHashNodeBuf, &pNewPage);
     return pNewPage;
   } else {
-    void* pPos = (*p) + pHashObj->offset;
+    void* pPos = (char*)(*p) + pHashObj->offset;
     pHashObj->offset += size;
     return pPos;
   }