diff --git a/include/common/box.h b/include/common/box.h
index 3d900a0e..45c0fc4d 100644
--- a/include/common/box.h
+++ b/include/common/box.h
@@ -18,7 +18,7 @@ void box_union(struct wlr_box *box_dest, struct wlr_box *box_a,
  * The returned x & y coordinates are the centered content position
  * relative to the top-left corner of the bounding box.
  */
-struct wlr_box box_fit_within(int width, int height, struct wlr_box *bounding_box);
+struct wlr_box box_fit_within(int width, int height, struct wlr_box *bound);
 
 struct wlr_fbox box_to_fbox(struct wlr_box *box);