diff --git a/src/winwidget.c b/src/winwidget.c
index c629f68bdfb028d6aed8fa1162c092958dd1e197..937e8a23dbf5d6def962f7ce731d4dc60f351237 100644
--- a/src/winwidget.c
+++ b/src/winwidget.c
@@ -983,7 +983,8 @@ void winwidget_get_geometry(winwidget winwid, int *rect)
 	if (!rect)
 		return;
 
-	XGetGeometry(disp, winwid->win, &root, &(rect[0]), &(rect[1]), &(rect[2]), &(rect[3]), &bw, &bp);
+	XGetGeometry(disp, winwid->win, &root, &(rect[0]), &(rect[1]), (unsigned
+				int *)&(rect[2]), (unsigned int *)&(rect[3]), &bw, &bp);
 
 	XTranslateCoordinates(disp, winwid->win, root, 0, 0, &(rect[0]), &(rect[1]), &child);