diff --git a/pcsx2/gui/FrameForGS.cpp b/pcsx2/gui/FrameForGS.cpp
index 2e5ea34962..04dcdca427 100644
--- a/pcsx2/gui/FrameForGS.cpp
+++ b/pcsx2/gui/FrameForGS.cpp
@@ -441,7 +441,7 @@ void GSFrame::OnCloseWindow(wxCloseEvent& evt)
 	Hide();		// and don't close it.
 }
 
-bool GSFrame::ShowFullScreen(bool show, long style)
+bool GSFrame::ShowFullScreen(bool show)
 {
 	/*if( show != IsFullScreen() )
 		Console.WriteLn( Color_StrongMagenta, "(gsFrame) Switching to %s mode...", show ? "Fullscreen" : "Windowed" );*/
diff --git a/pcsx2/gui/GSFrame.h b/pcsx2/gui/GSFrame.h
index 7089aa94b1..38bee6b082 100644
--- a/pcsx2/gui/GSFrame.h
+++ b/pcsx2/gui/GSFrame.h
@@ -103,7 +103,7 @@ public:
 	bool Show( bool shown=true );
 	wxStaticText* GetLabel_OutputDisabled() const;
 
-	bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL);
+	bool ShowFullScreen(bool show);
 
 protected:
 	void OnCloseWindow( wxCloseEvent& evt );