diff --git a/src/video/x11/SDL_x11events.c b/src/video/x11/SDL_x11events.c
index 71ad0a529..804682ab8 100644
--- a/src/video/x11/SDL_x11events.c
+++ b/src/video/x11/SDL_x11events.c
@@ -327,6 +327,8 @@ printf("MapNotify!\n");
 		} else {
 			X11_GrabInputNoLock(this, this->input_grab);
 		}
+		X11_CheckMouseModeNoLock(this);
+
 		if ( SDL_VideoSurface ) {
 			X11_RefreshDisplay(this);
 		}