diff --git a/src/cluster.c b/src/cluster.c
index 27347d0d83e2e5272e27be4abe2857fbac09853e..3a179aa61e5a3ef960ba7ea895601992bdb2edae 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -333,7 +333,7 @@ clusterNode *createClusterNode(char *nodename, int flags) {
     node->configdigest = NULL;
     node->configdigest_ts = 0;
     node->link = NULL;
-    node->ip[0] = '\0';
+    memset(node->ip,0,sizeof(node->ip));
     node->port = 0;
     return node;
 }