diff --git a/src/sentinel.c b/src/sentinel.c
index ca538908d..46ee96d62 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -2667,6 +2667,12 @@ void sentinelSetCommand(redisClient *c) {
             sdsfree(ri->auth_pass);
             ri->auth_pass = strlen(value) ? sdsnew(value) : NULL;
             changes++;
+       } else if (!strcasecmp(option,"quorum")) {
+            /* quorum <count> */
+            if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll <= 0)
+                goto badfmt;
+            ri->quorum = ll;
+            changes++;
         } else {
             addReplyErrorFormat(c,"Unknown option '%s' for SENTINEL SET",
                 option);