diff --git a/components/openmw-mp/Base/BasePlayer.hpp b/components/openmw-mp/Base/BasePlayer.hpp
index 516f11e13..be8788517 100644
--- a/components/openmw-mp/Base/BasePlayer.hpp
+++ b/components/openmw-mp/Base/BasePlayer.hpp
@@ -214,7 +214,7 @@ namespace mwmp
                 ListBox
             };
 
-            int id;
+            uint64_t id;
             Type type;
 
             std::string label;