diff --git a/src/x11/x.c b/src/x11/x.c
index 294d110..4cd7e41 100644
--- a/src/x11/x.c
+++ b/src/x11/x.c
@@ -112,7 +112,7 @@ static void x_win_round_corners(struct window_x11 *win, const int rad)
          * use a circle for every corner and two overlapping rectangles */
         int fw = settings.frame_width / 2 + settings.frame_width % 2;
         if (fw < 1)
-                fw=1;
+                fw = 1;
         unsigned const int centercoords[] = {
                 -fw,             -fw,
                 width - dia - 1, -fw,