diff --git a/Windows/WndMainWindow.cpp b/Windows/WndMainWindow.cpp
index 4f9170b02c..3e4ffa7a39 100644
--- a/Windows/WndMainWindow.cpp
+++ b/Windows/WndMainWindow.cpp
@@ -1130,6 +1130,7 @@ namespace MainWindow
 					break;
 				}
 			}
+			break;
 
     case WM_TIMER:
 			// Hack: Take the opportunity to also show/hide the mouse cursor in fullscreen mode.