diff --git a/components/openmw-mp/Base/BasePlayer.hpp b/components/openmw-mp/Base/BasePlayer.hpp
index bc3fd578b..e5e2d1062 100644
--- a/components/openmw-mp/Base/BasePlayer.hpp
+++ b/components/openmw-mp/Base/BasePlayer.hpp
@@ -18,8 +18,8 @@ namespace mwmp
     struct CurrentContainer
     {
         std::string refId;
-        int refNumIndex;
-        int mpNum;
+        unsigned int refNumIndex;
+        unsigned int mpNum;
         bool loot;
     };