diff --git a/Sources/SeriousSam/Menu.cpp b/Sources/SeriousSam/Menu.cpp
index f82c46b..3977b82 100644
--- a/Sources/SeriousSam/Menu.cpp
+++ b/Sources/SeriousSam/Menu.cpp
@@ -736,7 +736,7 @@ void StartCurrentQuickLoadMenu()
   }
 }
 
-void StartMenus(char *str)
+void StartMenus(const char *str)
 {
   _tmMenuLastTickDone=_pTimer->GetRealTimeTick();
   // disable printing of last lines
diff --git a/Sources/SeriousSam/Menu.h b/Sources/SeriousSam/Menu.h
index 0091361..e22d4ce 100644
--- a/Sources/SeriousSam/Menu.h
+++ b/Sources/SeriousSam/Menu.h
@@ -12,7 +12,7 @@ void MenuOnChar(MSG msg);
 void MenuOnMouseMove(PIX pixI, PIX pixJ);
 void MenuOnLMBDown(void);
 BOOL DoMenu( CDrawPort *pdp); // returns TRUE if still active, FALSE if should quit
-void StartMenus( char *str="");
+void StartMenus( const char *str="");
 void StopMenus(BOOL bGoToRoot =TRUE);
 BOOL IsMenusInRoot(void);
 void ChangeToMenu( class CGameMenu *pgmNew);