diff --git a/data/campaigns/The_Hammer_of_Thursagan/scenarios/12_The_Underlevels.cfg b/data/campaigns/The_Hammer_of_Thursagan/scenarios/12_The_Underlevels.cfg
index 1d923cba128b..0e54d5055c8e 100644
--- a/data/campaigns/The_Hammer_of_Thursagan/scenarios/12_The_Underlevels.cfg
+++ b/data/campaigns/The_Hammer_of_Thursagan/scenarios/12_The_Underlevels.cfg
@@ -1,9 +1,9 @@
-#textdomain wesnoth-thotr
+#textdomain wesnoth-thot
 
 [scenario]
     id=12_The_Underlevels
     name= _ "The Underlevels"
-    map_data="{~add-ons/The_Hammer_of_Thursagan/maps/12_The_Underlevels.map}"
+    map_data="{campaigns/The_Hammer_of_Thursagan/maps/12_The_Underlevels.map}"
     turns=65
     next_scenario=13_Epilogue
     victory_when_enemies_defeated=yes