diff --git a/src/dnode/src/dnodeMgmt.c b/src/dnode/src/dnodeMgmt.c
index 5f1e7a7a9431f4e6a16b7f61981a42aa36042fcf..4f9f03f17935cf54ad79ac52ff51a6fd9c942b15 100644
--- a/src/dnode/src/dnodeMgmt.c
+++ b/src/dnode/src/dnodeMgmt.c
@@ -132,7 +132,7 @@ static int32_t dnodeOpenVnodes() {
   char vnodeDir[TSDB_FILENAME_LEN * 3];
   int32_t failed = 0;
 
-  int32_t *vnodeList = (int32_t *)malloc(sizeof(int32_t) * 10000);
+  int32_t *vnodeList = (int32_t *)malloc(sizeof(int32_t) * TSDB_MAX_VNODES);
   int32_t  numOfVnodes = dnodeGetVnodeList(vnodeList);
 
   for (int32_t i = 0; i < numOfVnodes; ++i) {
@@ -147,7 +147,7 @@ static int32_t dnodeOpenVnodes() {
 }
 
 static void dnodeCloseVnodes() {
-  int32_t *vnodeList = (int32_t *)malloc(sizeof(int32_t) * 10000);
+  int32_t *vnodeList = (int32_t *)malloc(sizeof(int32_t) * TSDB_MAX_VNODES);
   int32_t  numOfVnodes = dnodeGetVnodeList(vnodeList);
 
   for (int32_t i = 0; i < numOfVnodes; ++i) {