diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index 1e90f5c..6245255 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -548,6 +548,9 @@ namespace MetaData
             for (auto& str : strings) {
                 skin_id.push_back(a8::XValue(str));
             }
+            if (skin_id.size() != 3) {
+                abort();
+            }
         }
     }