diff --git a/Source/options.cpp b/Source/options.cpp
index bc8b74eea7e..6885acc7ecf 100644
--- a/Source/options.cpp
+++ b/Source/options.cpp
@@ -1326,9 +1326,9 @@ KeymapperOptions::KeymapperOptions()
 	keyIDToKeyName.emplace(SDL_BUTTON_MIDDLE | KeymapperMouseButtonMask, "MMOUSE");
 	keyIDToKeyName.emplace(SDL_BUTTON_X1 | KeymapperMouseButtonMask, "X1MOUSE");
 	keyIDToKeyName.emplace(SDL_BUTTON_X2 | KeymapperMouseButtonMask, "X2MOUSE");
-	keyIDToKeyName.emplace(MouseScrollUpButton, "SCROLlUPMOUSE");
+	keyIDToKeyName.emplace(MouseScrollUpButton, "SCROLLUPMOUSE");
 	keyIDToKeyName.emplace(MouseScrollDownButton, "SCROLLDOWNMOUSE");
-	keyIDToKeyName.emplace(MouseScrollLeftButton, "SCROLlLEFTMOUSE");
+	keyIDToKeyName.emplace(MouseScrollLeftButton, "SCROLLLEFTMOUSE");
 	keyIDToKeyName.emplace(MouseScrollRightButton, "SCROLLRIGHTMOUSE");
 
 	keyIDToKeyName.emplace(SDLK_BACKQUOTE, "`");