diff --git a/Rom.py b/Rom.py
index 4e12827a..b229a7ac 100644
--- a/Rom.py
+++ b/Rom.py
@@ -38,7 +38,7 @@ from source.dungeon.RoomList import Room0127
 
 
 JAP10HASH = '03a63945398191337e896e5771f77173'
-RANDOMIZERBASEHASH = 'f27719e0f1f5e61fb159f6bbc58a9afb'
+RANDOMIZERBASEHASH = 'ff9c003ee6c1277437a4480d583282fd'
 
 
 class JsonRom(object):
diff --git a/asm/owrando.asm b/asm/owrando.asm
index 3472bfae..a046b8da 100644
--- a/asm/owrando.asm
+++ b/asm/owrando.asm
@@ -631,7 +631,12 @@ OWShuffle:
     ;look up transitions in current area in table OWEdgeOffsets
     ;offset is (8bytes * OW Slot ID) + (2bytes * direction)
     asl : rep #$20 : and.w #$00ff : pha : sep #$20 ;2 bytes per direction
-    lda $8a : and #$40 : !add $700 : rep #$30 : and #$00ff : asl #3
+
+    lda $8a : tax : lda.l OWTileWorldAssoc,X : eor.l CurrentWorld : beq +
+        ; fake world, will treat this OW area as opposite world
+        txa : eor.b #$40 : tax
+    + txa : and #$40 : !add $700 : rep #$30 : and #$00ff : asl #3
+
     adc 1,S : tax
     asl $700 : pla
     ;x = offset to edgeoffsets table
diff --git a/data/base2current.bps b/data/base2current.bps
index 168d67f9..66c714ea 100644
Binary files a/data/base2current.bps and b/data/base2current.bps differ