diff --git a/Resources/Prototypes/Procedural/dungeon_configs.yml b/Resources/Prototypes/Procedural/dungeon_configs.yml
index b55d5a9e697706..94e454570a3297 100644
--- a/Resources/Prototypes/Procedural/dungeon_configs.yml
+++ b/Resources/Prototypes/Procedural/dungeon_configs.yml
@@ -114,6 +114,10 @@
 - type: dungeonConfig
   id: LavaBrig
   data:
+    #ss220 lava exp fix start
+    tiles:
+      FallbackTile: FloorSteel
+    #ss220 lava exp fix end
     colors:
       Decals: "#DE3A3A96"
     entities: