diff --git a/data/tilesets/mountainside_collision.asm b/data/tilesets/mountainside_collision.asm
index 01270a765..5801a6339 100644
--- a/data/tilesets/mountainside_collision.asm
+++ b/data/tilesets/mountainside_collision.asm
@@ -106,9 +106,9 @@
 	tilecoll WALL, WALL, WALL, CAVE ; 69
 	tilecoll FLOOR, WALL, TALL_GRASS, TALL_GRASS ; 6a
 	tilecoll WALL, WALL, HEADBUTT_TREE, HEADBUTT_TREE ; 6b
-	tilecoll WALL, FLOOR, WALL, FLOOR ; 6c
+	tilecoll WALL, WALL, WALL, WALL ; 6c
 	tilecoll WALL, WALL, WALL, WALL ; 6d
-	tilecoll WALL, FLOOR, WALL, FLOOR ; 6e
+	tilecoll WALL, WALL, WALL, WALL ; 6e
 	tilecoll HEADBUTT_TREE, FLOOR, HEADBUTT_TREE, FLOOR ; 6f
 	tilecoll FLOOR, WALL, FLOOR, FLOOR ; 70
 	tilecoll HEADBUTT_TREE, HEADBUTT_TREE, FLOOR, FLOOR ; 71