diff --git a/src/engine/surface_collision.c b/src/engine/surface_collision.c
index 08971c42d..15f6f9a9f 100644
--- a/src/engine/surface_collision.c
+++ b/src/engine/surface_collision.c
@@ -162,7 +162,7 @@ static s32 find_wall_collisions_from_list(struct SurfaceNode *surfaceNode,
             closest_point_to_triangle(surf, src, cPos);
 
             // Exclude triangles where y isn't inside of it
-            if (cPos[1] < surf->lowerY || cPos[1] > surf->upperY) { continue; }
+            if (fabs(cPos[1] - y) > 1) { continue; }
 
             // Figure out normal
             f32 dX = src[0] - cPos[0];