diff --git a/src/SetPlazaFlag.ld b/src/SetPlazaFlag.ld
new file mode 100644
index 0000000..feb2df1
--- /dev/null
+++ b/src/SetPlazaFlag.ld
@@ -0,0 +1,2 @@
+$$ = 0;
+$C2$.SetPlazaFlag = 0x70 + TMarDirector.setupObjects;
diff --git a/src/SetPlazaFlag.s b/src/SetPlazaFlag.s
new file mode 100644
index 0000000..4d686dd
--- /dev/null
+++ b/src/SetPlazaFlag.s
@@ -0,0 +1,20 @@
+.SetPlazaFlag:
+## orig
+  lwz r3, TFlagManager.smInstance$r13(r13)
+## check plaza number
+### r29 = &curArea
+  lbz r12, 0x1(r29)
+### OR 0x2 bit from 0x8 bit
+### i.e. map 0x8, 0x9 to 0x2, 0x3
+  rlwinm r11, r12, 32-2, 0x2
+  or r12, r12, r11
+### 4 bit for each entry
+  rlwinm r12, r12, 2, 0x1C
+### magic
+#### @2345 6701
+#### =FFF3 FF01
+  lis r11, 0xFFF3
+  ori r11, r11, 0xFF01
+  rlwnm r11, r11, r12, 0xF0
+### set BH/RH/GB flag
+  stb r11, 0x70(r3)