diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java b/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java
index 3a1b8af55b..3d950fdc5f 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/agility/Obstacles.java
@@ -114,7 +114,7 @@ class Obstacles
 		// Yanille
 		CASTLE_WALL, HOLE_16520, WALL_17047,
 		// Observatory
-		NULL_31852,
+		NULL_31849,
 		// Gnome Stronghold
 		ROCKS_16534, ROCKS_16535,
 		// Karamja Volcano