diff --git a/api/mraa/pwm.hpp b/api/mraa/pwm.hpp
index ed93cc1..95c01eb 100644
--- a/api/mraa/pwm.hpp
+++ b/api/mraa/pwm.hpp
@@ -52,7 +52,7 @@ class Pwm {
                 m_pwm = mraa_pwm_init(pin);
             }
             else {
-                m_pwm = mraa_pwm_init_raw(pin, chipid);
+                m_pwm = mraa_pwm_init_raw(chipid, pin);
             }
 
             if (m_pwm == NULL) {