diff --git a/src/redis-cli.c b/src/redis-cli.c
index 0e52c16be..5414de7ef 100644
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -2726,7 +2726,7 @@ static sds clusterManagerNodeGetJSON(clusterManagerNode *node,
         slots,
         node->slots_count,
         flags,
-        node->current_epoch
+        (unsigned long long)node->current_epoch
     );
     if (error_count > 0) {
         json = sdscatprintf(json, ",\n    \"cluster_errors\": %lu",