diff --git a/EntranceShuffle.py b/EntranceShuffle.py
index 9abb6a5f..4861935a 100644
--- a/EntranceShuffle.py
+++ b/EntranceShuffle.py
@@ -1260,6 +1260,7 @@ mandatory_connections = [('Links House', 'Links House'),  # unshuffled. For now
                          ('Turtle Rock Chain Chomp Staircase', 'Turtle Rock (Chain Chomp Room)'),
                          ('Turtle Rock (Big Chest) (North)', 'Turtle Rock (Second Section)'),
                          ('Turtle Rock Big Key Door', 'Turtle Rock (Roller Switch Room)'),
+                         ('Turtle Rock Big Key Door Reverse', 'Turtle Rock (Second Section)'),
                          ('Turtle Rock Dark Room Staircase', 'Turtle Rock (Dark Room)'),
                          ('Turtle Rock (Dark Room) (North)', 'Turtle Rock (Roller Switch Room)'),
                          ('Turtle Rock (Dark Room) (South)', 'Turtle Rock (Eye Bridge)'),
diff --git a/Regions.py b/Regions.py
index d89e4e6d..b8b8ec41 100644
--- a/Regions.py
+++ b/Regions.py
@@ -226,7 +226,7 @@ def create_regions(world):
         create_region('Turtle Rock (Chain Chomp Room)', ['[dungeon-D7-1F] Turtle Rock - Chain Chomp Room'], ['Turtle Rock (Chain Chomp Room) (North)', 'Turtle Rock (Chain Chomp Room) (South)']),
         create_region('Turtle Rock (Second Section)', ['[dungeon-D7-B1] Turtle Rock - Big Key Room'], ['Turtle Rock Ledge Exit (West)', 'Turtle Rock Chain Chomp Staircase', 'Turtle Rock Big Key Door']),
         create_region('Turtle Rock (Big Chest)', ['[dungeon-D7-B1] Turtle Rock - Big Chest'], ['Turtle Rock (Big Chest) (North)', 'Turtle Rock Ledge Exit (East)']),
-        create_region('Turtle Rock (Roller Switch Room)', ['[dungeon-D7-B1] Turtle Rock - Roller Switch Room'], ['Turtle Rock Dark Room Staircase']),
+        create_region('Turtle Rock (Roller Switch Room)', ['[dungeon-D7-B1] Turtle Rock - Roller Switch Room'], ['Turtle Rock Dark Room Staircase', 'Turtle Rock Big Key Door Reverse']),
         create_region('Turtle Rock (Dark Room)', None, ['Turtle Rock (Dark Room) (North)', 'Turtle Rock (Dark Room) (South)']),
         create_region('Turtle Rock (Eye Bridge)', ['[dungeon-D7-B2] Turtle Rock - Eye Bridge Room [bottom left chest]', '[dungeon-D7-B2] Turtle Rock - Eye Bridge Room [bottom right chest]',
                                                    '[dungeon-D7-B2] Turtle Rock - Eye Bridge Room [top left chest]', '[dungeon-D7-B2] Turtle Rock - Eye Bridge Room [top right chest]'],
diff --git a/Rom.py b/Rom.py
index 3240eb3a..d8eb4454 100644
--- a/Rom.py
+++ b/Rom.py
@@ -206,6 +206,12 @@ def patch_rom(world, rom, hashtable, quickswap=False, beep='normal', sprite=None
         for i in range(0x85):
             write_byte(rom, 0x15274 + i, 0x00)
 
+    # fix trock doors for reverse entrances
+    if world.shuffle != 'default':
+        write_byte(rom, 0xFED31, 0x0E)  # preopen bombable exit
+        write_byte(rom, 0xFEE41, 0x0E)  # preopen bombable exit
+        write_byte(rom, 0xFE465, 0x1E)  # remove small key door on backside of big key door
+
     # enable quick item swapping with L and R (ported by Amazing Ampharos)
     if quickswap:
         write_bytes(rom, 0x107fb, [0x22, 0x50, 0xFF, 0x1F])