diff --git a/drivers/AnalogOut.h b/drivers/AnalogOut.h
index 784290ca68..0e29a71887 100644
--- a/drivers/AnalogOut.h
+++ b/drivers/AnalogOut.h
@@ -138,10 +138,9 @@ public:
 
     virtual ~AnalogOut()
     {
-        /** Deinitialize the pin configuration totally. 
-         *\ This should allow changing the definition of the pin
+        /** Deinitialize pin configuration.
          */
-        analogout_free(&this->_dac);
+        analogout_free(&_dac);
     }
 
 protected: