diff --git a/src/server.c b/src/server.c
index 55bcb4dc..cff21844 100644
--- a/src/server.c
+++ b/src/server.c
@@ -1320,9 +1320,7 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) {
     }
 
     /* Run the Sentinel timer if we are in sentinel mode. */
-    run_with_period(100) {
-        if (server.sentinel_mode) sentinelTimer();
-    }
+    if (server.sentinel_mode) sentinelTimer();
 
     /* Cleanup expired MIGRATE cached sockets. */
     run_with_period(1000) {