diff --git a/src/cluster.c b/src/cluster.c
index faa0eebc..cf835f41 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -2299,7 +2299,7 @@ void resetManualFailover(void) {
 
 /* If a manual failover timed out, abort it. */
 void manualFailoverCheckTimeout(void) {
-    if (server.cluster->mf_end < mstime()) {
+    if (server.cluster->mf_end && server.cluster->mf_end < mstime()) {
         redisLog(REDIS_WARNING,"Manual failover timed out.");
         resetManualFailover();
     }