diff --git a/README.md b/README.md
index 651cc7a..5da8b00 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@ As a final addendum, if the YoYo Games circus needs a new clown for tasks like f
 
 ## Usage
 
+If you are on Windows, make SURE "Use x64 Windows runtime" is checked under Game Options -> Windows!
+
 Place your audio files in Included Files. The `.yymps` has an example structure.
 
 Make sure the `AUDIO` object is created once at the start of your game.