diff --git a/apps/openmw/mwmechanics/pathfinding.hpp b/apps/openmw/mwmechanics/pathfinding.hpp
index 4f403a32c..9cb418b40 100644
--- a/apps/openmw/mwmechanics/pathfinding.hpp
+++ b/apps/openmw/mwmechanics/pathfinding.hpp
@@ -90,7 +90,7 @@ namespace MWMechanics
                 return !mPath.empty();
             }
 
-            int getPathSize() const
+            std::size_t getPathSize() const
             {
                 return mPath.size();
             }