diff --git a/ryu/tests/unit/ofproto/json/of13/4-58-ofp_group_stats_reply.packet.json b/ryu/tests/unit/ofproto/json/of13/4-58-ofp_group_stats_reply.packet.json
index 0caff1ce..cb979e54 100644
--- a/ryu/tests/unit/ofproto/json/of13/4-58-ofp_group_stats_reply.packet.json
+++ b/ryu/tests/unit/ofproto/json/of13/4-58-ofp_group_stats_reply.packet.json
@@ -4,13 +4,13 @@
          {
             "OFPGroupStats": {
                "bucket_stats": [
-                   {
-                       "OFPBucketCounter": {
-                           "byte_count": 2345,
-                           "packet_count": 234
-                       }
-                   }
-               ],
+                  {
+                     "OFPBucketCounter": {
+                        "byte_count": 2345, 
+                        "packet_count": 234
+                     }
+                  }
+               ], 
                "byte_count": 12345, 
                "duration_nsec": 609036000, 
                "duration_sec": 9,