diff --git a/src/vnode/tsdb/src/tsdbMain.c b/src/vnode/tsdb/src/tsdbMain.c
index 8ab7648510c4a4b53ec0571305a42c15ec1665e3..dff5268dce4fa82a986913d2d1226074706a2077 100644
--- a/src/vnode/tsdb/src/tsdbMain.c
+++ b/src/vnode/tsdb/src/tsdbMain.c
@@ -210,7 +210,7 @@ tsdb_repo_t *tsdbOpenRepo(char *tsdbDir) {
     return NULL;
   }
 
-  STsdbRepo *pRepo = (STsdbRepo *)malloc(sizeof(STsdbRepo));
+  STsdbRepo *pRepo = (STsdbRepo *)calloc(1, sizeof(STsdbRepo));
   if (pRepo == NULL) {
     return NULL;
   }