diff --git a/hotwire/Hotwire.h b/hotwire/Hotwire.h
index 3c04921..4979f12 100644
--- a/hotwire/Hotwire.h
+++ b/hotwire/Hotwire.h
@@ -7,7 +7,7 @@
 
 #include <stdint.h>
 
-#define HOTWIRE_PWM_MAX 0xFFFF
+#define HOTWIRE_PWM_MAX 0xFF
 
 // EFFECTS: initializes the device for PWM on the hotwire output
 void Hotwire_init();