diff --git a/types/scene/wlr_scene.c b/types/scene/wlr_scene.c
index e823d62ae..4c7f0fb4c 100644
--- a/types/scene/wlr_scene.c
+++ b/types/scene/wlr_scene.c
@@ -347,14 +347,14 @@ static void output_to_buffer_coords(pixman_region32_t *damage, struct wlr_output
 }
 
 static int scale_length(int length, int offset, float scale) {
-	return round((offset + length) * scale) - round(offset * scale);
+	return (int)((offset + length) * scale + .5f) - (int)(offset * scale + .5f);
 }
 
 static void scale_box(struct wlr_box *box, float scale) {
 	box->width = scale_length(box->width, box->x, scale);
 	box->height = scale_length(box->height, box->y, scale);
-	box->x = round(box->x * scale);
-	box->y = round(box->y * scale);
+	box->x = box->x * scale + .5f;
+	box->y = box->y * scale + .5f;
 }
 
 static void transform_output_box(struct wlr_box *box, const struct render_data *data) {