diff --git a/src/sentinel.c b/src/sentinel.c
index 5ad7bee3..479df17e 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -1939,6 +1939,10 @@ void addReplySentinelRedisInstance(redisClient *c, sentinelRedisInstance *ri) {
 
     /* Only masters */
     if (ri->flags & SRI_MASTER) {
+        addReplyBulkCString(c,"config-epoch");
+        addReplyBulkLongLong(c,ri->config_epoch);
+        fields++;
+
         addReplyBulkCString(c,"num-slaves");
         addReplyBulkLongLong(c,dictSize(ri->slaves));
         fields++;