diff --git a/autopon.py b/autopon.py
index c78ac89..7ea5cc8 100755
--- a/autopon.py
+++ b/autopon.py
@@ -3,14 +3,17 @@ import argparse
 import subprocess
 import time
 
-def ydotool(key):
+def ydotool(key, multiplier=1):
+    # This runs with a 100ms delay (by default, modulated by multiplier) because
+    # Patapon -- the game, not the emulator or the input layer -- will drop inputs
+    # if it's any lower.
     subprocess.run([
         "ydotool",
         "key",
         str(key) + ":1",
         str(key) + ":0",
         "--key-delay",
-        "100"
+        str(100 / multiplier)
     ])
 
 def main():
@@ -65,7 +68,7 @@ def main():
     # 119.900   Still fast
     # 119.890
     bpm_constant = 119.890
-    beat_interval = 60 / (bpm_constsant * args.bpm * 2)
+    beat_interval = 60 / (bpm_constant * args.bpm * 2)
     print(f"Beat interval: {beat_interval}")
 
     # Set up the environment
@@ -86,7 +89,7 @@ def main():
             lastbeat += beat_interval
             button = keymapping.get(key, '-')
             if button != '-':
-                ydotool(button)
+                ydotool(button, multiplier=args.bpm)
                 print(drummapping.get(key, '-'), end="", flush=True)
             else:
                 print(" ", end="", flush=True)