diff --git a/src/cluster.c b/src/cluster.c
index c6d7e484e..27d109914 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -5703,7 +5703,7 @@ void addShardReplyForClusterShards(client *c, list *nodes) {
         serverAssert((n->slot_info_pairs_count % 2) == 0);
         addReplyArrayLen(c, n->slot_info_pairs_count);
         for (int i = 0; i < n->slot_info_pairs_count; i++)
-            addReplyBulkLongLong(c, (unsigned long)n->slot_info_pairs[i]);
+            addReplyLongLong(c, (unsigned long)n->slot_info_pairs[i]);
     } else {
         /* If no slot info pair is provided, the node owns no slots */
         addReplyArrayLen(c, 0);
diff --git a/src/commands/cluster-shards.json b/src/commands/cluster-shards.json
index dcaad3ea3..e7a082953 100644
--- a/src/commands/cluster-shards.json
+++ b/src/commands/cluster-shards.json
@@ -26,7 +26,7 @@
                         "description": "an even number element array specifying the start and end slot numbers for slot ranges owned by this shard",
                         "type": "array",
                         "items": {
-                            "type": "string"
+                            "type": "integer"
                         }
                     },
                     "nodes": {