diff --git a/stepmania/src/ScreenTextEntry.cpp b/stepmania/src/ScreenTextEntry.cpp
index 7a05ea68f8..e436b78afa 100644
--- a/stepmania/src/ScreenTextEntry.cpp
+++ b/stepmania/src/ScreenTextEntry.cpp
@@ -99,7 +99,7 @@ void ScreenTextEntry::Input( const DeviceInput& DeviceI, const InputEventType ty
 		if( INPUTFILTER->IsBeingPressed(DeviceInput(DEVICE_KEYBOARD, DIK_LSHIFT)) ||
 			INPUTFILTER->IsBeingPressed(DeviceInput(DEVICE_KEYBOARD, DIK_RSHIFT)))
 		{
-			c = toupper(c);
+			c = (char)toupper(c);
 		}
 
 		if( c != '\0' )