diff --git a/html/images/space.svg b/html/images/space.svg
index 6090f26..e2dd591 100644
--- a/html/images/space.svg
+++ b/html/images/space.svg
@@ -360,18 +360,16 @@
       return hc <= shipRadius;
     }
 
-    function detectCornerCollision([xc, yc], corners) {
-      return corners.some(([x, y]) => {
-        cornerPt.x = x - xc;
-        cornerPt.y = y - yc;
+    function detectCornerCollision([xc, yc], [x, y]) {
+      cornerPt.x = x - xc;
+      cornerPt.y = y - yc;
 
-        return shipBody.isPointInFill(cornerPt);
-      });
+      return shipBody.isPointInFill(cornerPt);
     }
 
     function detectCollisions(position, walls, edges) {
       return [
-        [walls, wall => detectCornerCollision(position, wall)],
+        [walls, wall => wall.some(corner => detectCornerCollision(position, corner))],
         [edges, edge => detectEdgeCollision(position, edge)]
       ].some(([t, f]) => t.some(f))
     }