diff --git a/lib/include/mc1322x.h b/lib/include/mc1322x.h
index 1f82701aa..d50cba2e3 100644
--- a/lib/include/mc1322x.h
+++ b/lib/include/mc1322x.h
@@ -50,5 +50,6 @@
 #include "i2c.h"
 #include "rtc.h"
 #include "adc.h"
+#include "pwm.h"
 
 #endif