diff --git a/common/include/Utilities/EventSource.h b/common/include/Utilities/EventSource.h
index 65eced950a..935418ffdc 100644
--- a/common/include/Utilities/EventSource.h
+++ b/common/include/Utilities/EventSource.h
@@ -19,6 +19,15 @@
 
 class wxCommandEvent;
 
+// __evt_fastcall : Work-around for a GCC 4.3 compilation bug.  The templated FuncType
+// throws type mismatches if we have a __fastcall qualifier. >_< --air
+
+#if defined( __GNUC__ ) && (__GNUC__ < 4 ) || ((__GNUC__ == 4) && ( __GNUC_MINOR__ <= 3 ))
+#	define __evt_fastcall
+#else
+#	define __evt_fastcall
+#endif
+
 // --------------------------------------------------------------------------------------
 //  EventListener< typename EvtType >
 // --------------------------------------------------------------------------------------
@@ -26,7 +35,7 @@ class wxCommandEvent;
 template< typename EvtType >
 struct EventListener
 {
-	typedef void __fastcall FuncType( void* object, typename EvtType& evt );
+	typedef void __evt_fastcall FuncType( void* object, EvtType& evt );
 
 	void*		object;
 	FuncType*	OnEvent;
diff --git a/pcsx2/Memory.cpp b/pcsx2/Memory.cpp
index 06ff81af8c..512201d721 100644
--- a/pcsx2/Memory.cpp
+++ b/pcsx2/Memory.cpp
@@ -574,7 +574,7 @@ void memClearPageAddr(u32 vaddr)
 ///////////////////////////////////////////////////////////////////////////
 // PS2 Memory Init / Reset / Shutdown
 
-static void __fastcall mmap_OnPageFault( void* basemem, PageFaultInfo& info );
+static void __evt_fastcall mmap_OnPageFault( void* basemem, PageFaultInfo& info );
 
 static const uint m_allMemSize =
 		Ps2MemSize::Rom + Ps2MemSize::Rom1 + Ps2MemSize::Rom2 + Ps2MemSize::ERom +
@@ -894,7 +894,7 @@ static __forceinline void mmap_ClearCpuBlock( uint offset )
 	Cpu->Clear( m_PageProtectInfo[rampage].ReverseRamMap, 0x400 );
 }
 
-static void __fastcall mmap_OnPageFault( void* basemem, PageFaultInfo& info )
+static void __evt_fastcall mmap_OnPageFault( void* basemem, PageFaultInfo& info )
 {
 	// get bad virtual address
 	uptr offset = info.addr - (uptr)basemem;
diff --git a/pcsx2/RecoverySystem.cpp b/pcsx2/RecoverySystem.cpp
index 5de0288bc2..2cba8be55e 100644
--- a/pcsx2/RecoverySystem.cpp
+++ b/pcsx2/RecoverySystem.cpp
@@ -34,7 +34,7 @@ int sys_resume_lock = 0;
 
 static FnType_OnThreadComplete* Callback_FreezeFinished = NULL;
 
-static void __fastcall StateThread_OnAppStatus( void* thr, AppEventType& stat )
+static void __evt_fastcall StateThread_OnAppStatus( void* thr, AppEventType& stat )
 {
 	if( (thr == NULL) || (stat != AppStatus_Exiting) ) return;
 	((PersistentThread*)thr)->Cancel();
diff --git a/pcsx2/gui/AppMain.cpp b/pcsx2/gui/AppMain.cpp
index 96598d3c27..cf8f91e80f 100644
--- a/pcsx2/gui/AppMain.cpp
+++ b/pcsx2/gui/AppMain.cpp
@@ -250,7 +250,7 @@ void Pcsx2App::HandleEvent(wxEvtHandler *handler, wxEventFunction func, wxEvent&
 	}
 }
 
-static void __fastcall OnStateSaveFinished( void* obj, wxCommandEvent& evt )
+static void __evt_fastcall OnStateSaveFinished( void* obj, wxCommandEvent& evt )
 {
 	if( evt.GetInt() == CoreStatus_Resumed )
 	{
diff --git a/pcsx2/gui/MainFrame.cpp b/pcsx2/gui/MainFrame.cpp
index 8a8e0d50f3..5dcc68303d 100644
--- a/pcsx2/gui/MainFrame.cpp
+++ b/pcsx2/gui/MainFrame.cpp
@@ -255,28 +255,28 @@ void MainEmuFrame::InitLogBoxPosition( AppConfig::ConsoleLogOptions& conf )
 	}
 }
 
-void __fastcall MainEmuFrame::OnCoreThreadStatusChanged( void* obj, wxCommandEvent& evt )
+void __evt_fastcall MainEmuFrame::OnCoreThreadStatusChanged( void* obj, wxCommandEvent& evt )
 {
 	if( obj == NULL ) return;
 	MainEmuFrame* mframe = (MainEmuFrame*)obj;
 	mframe->ApplyCoreStatus();
 }
 
-void __fastcall MainEmuFrame::OnCorePluginStatusChanged( void* obj, wxCommandEvent& evt )
+void __evt_fastcall MainEmuFrame::OnCorePluginStatusChanged( void* obj, wxCommandEvent& evt )
 {
 	if( obj == NULL ) return;
 	MainEmuFrame* mframe = (MainEmuFrame*)obj;
 	mframe->ApplyCoreStatus();
 }
 
-void __fastcall MainEmuFrame::OnSettingsApplied( void* obj, int& evt )
+void __evt_fastcall MainEmuFrame::OnSettingsApplied( void* obj, int& evt )
 {
 	if( obj == NULL ) return;
 	MainEmuFrame* mframe = (MainEmuFrame*)obj;
 	mframe->ApplySettings();
 }
 
-void __fastcall MainEmuFrame::OnSettingsLoadSave( void* obj, IniInterface& evt )
+void __evt_fastcall MainEmuFrame::OnSettingsLoadSave( void* obj, IniInterface& evt )
 {
 	if( obj == NULL ) return;
 	MainEmuFrame* mframe = (MainEmuFrame*)obj;
diff --git a/pcsx2/gui/MainFrame.h b/pcsx2/gui/MainFrame.h
index c75bc1a42d..725abbda40 100644
--- a/pcsx2/gui/MainFrame.h
+++ b/pcsx2/gui/MainFrame.h
@@ -85,10 +85,10 @@ public:
 	void ReloadRecentLists();
 
 protected:
-	static void __fastcall OnCoreThreadStatusChanged( void* obj, wxCommandEvent& evt );
-	static void __fastcall OnCorePluginStatusChanged( void* obj, wxCommandEvent& evt );
-	static void __fastcall OnSettingsApplied( void* obj, int& evt );
-	static void __fastcall OnSettingsLoadSave( void* obj, IniInterface& evt );
+	static void __evt_fastcall OnCoreThreadStatusChanged( void* obj, wxCommandEvent& evt );
+	static void __evt_fastcall OnCorePluginStatusChanged( void* obj, wxCommandEvent& evt );
+	static void __evt_fastcall OnSettingsApplied( void* obj, int& evt );
+	static void __evt_fastcall OnSettingsLoadSave( void* obj, IniInterface& evt );
 
 	void LoadSaveRecentIsoList( IniInterface& conf );
 	void ApplySettings();