diff --git a/Rom.py b/Rom.py
index 6c57d091..8ff75fbd 100644
--- a/Rom.py
+++ b/Rom.py
@@ -33,7 +33,7 @@ from source.classes.SFX import randomize_sfx
 
 
 JAP10HASH = '03a63945398191337e896e5771f77173'
-RANDOMIZERBASEHASH = 'c5903112ffe302d1e9a3878ee720d1b3'
+RANDOMIZERBASEHASH = 'c1a00c60144c6cc5a6ef5f00617a9b38'
 
 
 class JsonRom(object):
diff --git a/asm/owrando.asm b/asm/owrando.asm
index f239b436..6b3e4200 100644
--- a/asm/owrando.asm
+++ b/asm/owrando.asm
@@ -160,6 +160,13 @@ OWPreserveMirrorSprite:
     pla : lda #$de : pha ; in vanilla, if in dark world, jump to $05afdf
     rtl
 }
+OWMirrorSpriteMove:
+{
+    lda.l OWMode+1 : and.b #!FLAG_OW_CROSSED : beq .return
+        lda $1acf : eor #$80 : sta $1acf
+    .return
+    lda #$2c : jml.l $07A985 ; what we wrote over
+}
 
 OWFluteCancel:
 {
diff --git a/data/base2current.bps b/data/base2current.bps
index e229d170..bac70e13 100644
Binary files a/data/base2current.bps and b/data/base2current.bps differ