diff --git a/config.h.dist b/config.h.dist
index 0c5e758..c5fb5b3 100644
--- a/config.h.dist
+++ b/config.h.dist
@@ -180,18 +180,6 @@
 // --------------------------------------------------------------------------
 // you shouldn't need to edit anything below this line
 
-/*
-	Heater
-*/
-
-#ifdef	HEATER_PWM
-	#define	enable_heater()			do { TCCR0A |=  MASK(COM0A1); } while (0)
-	#define	disable_heater()		do { TCCR0A &= ~MASK(COM0A1); } while (0)
-#else
-	#define	enable_heater()			WRITE(HEATER_PIN, 1)
-	#define	disable_heater()		WRITE(HEATER_PIN, 0)
-#endif
-
 /*
 	fan
 */
diff --git a/heater.h b/heater.h
index 56e760f..0a7c7a8 100644
--- a/heater.h
+++ b/heater.h
@@ -1,8 +1,17 @@
 #ifndef	_HEATER_H
 #define	_HEATER_H
 
+#include	"config.h"
 #include	<stdint.h>
 
+#ifdef	HEATER_PWM
+	#define	enable_heater()			do { TCCR0A |=  MASK(COM0A1); } while (0)
+	#define	disable_heater()		do { TCCR0A &= ~MASK(COM0A1); } while (0)
+#else
+	#define	enable_heater()			WRITE(HEATER_PIN, 1)
+	#define	disable_heater()		WRITE(HEATER_PIN, 0)
+#endif
+
 // extruder heater PID factors
 // google "PID without a PHD" if you don't understand this PID stuff
 extern int32_t p_factor;