diff --git a/LTTP_RND_GeneralBugfixes.asm b/LTTP_RND_GeneralBugfixes.asm
index a45188f..0fd3206 100644
--- a/LTTP_RND_GeneralBugfixes.asm
+++ b/LTTP_RND_GeneralBugfixes.asm
@@ -514,6 +514,9 @@ Module_PreDungeon:
 org $028296
     .setAmbientSfx
 
+org $828AD9
+Underworld_SetBossOrSancMusicUponEntry:
+
 org $02A0A8
 Dungeon_SaveRoomData:
 
diff --git a/doorrando/drhooks.asm b/doorrando/drhooks.asm
index dc910e3..0a8d5a9 100644
--- a/doorrando/drhooks.asm
+++ b/doorrando/drhooks.asm
@@ -192,10 +192,9 @@ JSL.l Underworld_DoorDown_Entry : CPX #$FF
 BEQ + : db $80, $1C ; BRA $028B04
 NOP #6 : +
 
-org $82C3F2 ; <- Bank02.asm:10521 Unused call
-Underworld_DoorDown_Call:
-org $82C3F3
-dw $8AD9 ; address of Bank02.asm:2085
+org $82FD00 ; unreachable code
+Underworld_SetBossOrSancMusicUponEntry_long:
+JSR Underworld_SetBossOrSancMusicUponEntry : RTL
 
 org $81AA90
 JSL BigKeyDoorCheck : NOP
diff --git a/doorrando/normal.asm b/doorrando/normal.asm
index 5a07bba..9352837 100644
--- a/doorrando/normal.asm
+++ b/doorrando/normal.asm
@@ -412,7 +412,7 @@ StraightStairsTrapDoor:
             .animateTraps
             lda #$05 : sta $11
             inc $0468 : stz $068e : stz $0690
-        ++ JSL Underworld_DoorDown_Call : rtl
+        ++ JML Underworld_SetBossOrSancMusicUponEntry_long
     + JML Dungeon_ApproachFixedColor ; what we wrote over
 }