1 files changed, 4 insertions, 4 deletions
diff --git a/engines/tony/utils.h b/engines/tony/utils.h
index 54e4cd0eae..bd4b152f1f 100644
--- a/engines/tony/utils.h
+++ b/engines/tony/utils.h
@@ -232,10 +232,10 @@ public:
     RMPoint &TopLeft();
     RMPoint &BottomRight();
     RMPoint Center();
-    int Width();
-    int Height();
-    bool IsEmpty();
-	int Size();
+    int Width() const;
+    int Height() const;
+    bool IsEmpty() const;
+	int Size() const;
 
     // Set
     void SetRect(int x1, int y1, int x2, int y2);