diff --git a/box-drawing.c b/box-drawing.c
index a1940392..1c694627 100644
--- a/box-drawing.c
+++ b/box-drawing.c
@@ -1953,7 +1953,7 @@ draw_quadrant(struct buf *buf, wchar_t wc)
         quad_lower_right(buf);
 }
 
-static void
+static void NOINLINE
 draw_braille(struct buf *buf, wchar_t wc)
 {
     int w = min(buf->width / 4, buf->height / 8);