diff --git a/src/Main/System/OverlayManager.cpp b/src/Main/System/OverlayManager.cpp
index 6ed64320..0a24f2d8 100644
--- a/src/Main/System/OverlayManager.cpp
+++ b/src/Main/System/OverlayManager.cpp
@@ -38,7 +38,7 @@ THUMB void OverlayManager::Unload(OverlayIndex index) {
 
 THUMB void OverlayManager::LoadGameMode(s32 mode) {
     OverlayId overlayId;
-    GameModeData *pSetup;
+    const GameModeData *pSetup;
 
     pSetup = &gGameModes[mode];