diff --git a/apps/openmw/mwworld/class.hpp b/apps/openmw/mwworld/class.hpp
index fe7b5dc802..8f2d19b1c0 100644
--- a/apps/openmw/mwworld/class.hpp
+++ b/apps/openmw/mwworld/class.hpp
@@ -22,7 +22,7 @@ namespace MWRender
 namespace MWMechanics
 {
     struct CreatureStats;
-    struct NpcStats;
+    class NpcStats;
     struct Movement;
 }