diff --git a/utils/printf-mesen2.lua b/utils/printf-mesen2.lua
index 07fe8d25..6eb0ea83 100644
--- a/utils/printf-mesen2.lua
+++ b/utils/printf-mesen2.lua
@@ -16,4 +16,4 @@ function cb(address, value)
   end
 end
 
-emu.addMemoryCallback(cb, emu.callbackType.write, 0x4018)
+emu.addMemoryCallback(cb, emu.callbackType.write, 0x401B)