--- src/vidalia/config/TorSettings.h
+++ src/vidalia/config/TorSettings.h
@@ -77,7 +77,7 @@ public:
   bool autoControlPort() const;
 
   /** Sets whether Vidalia should get the ControlPort from Tor */
-  void setAutoControlPort(const bool auto);
+  void setAutoControlPort(const bool isAuto);
 
   /** Set the control method */
   void setControlMethod(ControlMethod::Method method);