diff --git a/src/mac/app.cpp b/src/mac/app.cpp
index 5f7d68f6bd..39086ddeb8 100644
--- a/src/mac/app.cpp
+++ b/src/mac/app.cpp
@@ -578,7 +578,7 @@ bool wxApp::OnInitGui()
 
     InstallApplicationEventHandler(
         GetwxAppEventHandlerUPP(),
-        GetEventTypeCount(eventList), eventList, wxTheApp, &((EventHandlerRef)wxTheApp->m_macEventHandler));
+        GetEventTypeCount(eventList), eventList, wxTheApp, (EventHandlerRef *)&(wxTheApp->m_macEventHandler));
 #endif
 
 #if defined(UNIVERSAL_INTERFACES_VERSION) && (UNIVERSAL_INTERFACES_VERSION >= 0x0340)
diff --git a/src/mac/carbon/app.cpp b/src/mac/carbon/app.cpp
index 5f7d68f6bd..39086ddeb8 100644
--- a/src/mac/carbon/app.cpp
+++ b/src/mac/carbon/app.cpp
@@ -578,7 +578,7 @@ bool wxApp::OnInitGui()
 
     InstallApplicationEventHandler(
         GetwxAppEventHandlerUPP(),
-        GetEventTypeCount(eventList), eventList, wxTheApp, &((EventHandlerRef)wxTheApp->m_macEventHandler));
+        GetEventTypeCount(eventList), eventList, wxTheApp, (EventHandlerRef *)&(wxTheApp->m_macEventHandler));
 #endif
 
 #if defined(UNIVERSAL_INTERFACES_VERSION) && (UNIVERSAL_INTERFACES_VERSION >= 0x0340)
diff --git a/src/mac/carbon/dc.cpp b/src/mac/carbon/dc.cpp
index 593c01c367..420d5dce82 100644
--- a/src/mac/carbon/dc.cpp
+++ b/src/mac/carbon/dc.cpp
@@ -1781,7 +1781,7 @@ void wxDC::MacInstallFont() const
     Fixed atsuSize = IntToFixed( int(m_scaleY * font->m_macFontSize) ) ;
     Style qdStyle = font->m_macFontStyle ;
     ATSUFontID    atsuFont = font->m_macATSUFontID ;
-    status = ::ATSUCreateStyle(&(ATSUStyle)m_macATSUIStyle) ;
+    status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
     ATSUAttributeTag atsuTags[] =
     {
diff --git a/src/mac/carbon/textctrl.cpp b/src/mac/carbon/textctrl.cpp
index 17740e7cce..8a280cf29e 100644
--- a/src/mac/carbon/textctrl.cpp
+++ b/src/mac/carbon/textctrl.cpp
@@ -722,7 +722,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
         m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , true , 0 , 0 , 1,
             (style & wxTE_PASSWORD) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
         long size ;
-        ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &((TEHandle) m_macTE) , &size ) ;
+        ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*)((TEHandle *)&m_macTE) , &size ) ;
 
     }
     else
diff --git a/src/mac/carbon/toplevel.cpp b/src/mac/carbon/toplevel.cpp
index b4864e8f21..66c28891ca 100644
--- a/src/mac/carbon/toplevel.cpp
+++ b/src/mac/carbon/toplevel.cpp
@@ -681,7 +681,7 @@ void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
 #if TARGET_CARBON
     InstallStandardEventHandler( GetWindowEventTarget(MAC_WXHWND(m_macWindow)) ) ;
     InstallWindowEventHandler(MAC_WXHWND(m_macWindow), GetwxMacWindowEventHandlerUPP(),
-        GetEventTypeCount(eventList), eventList, this, &((EventHandlerRef)m_macEventHandler));
+        GetEventTypeCount(eventList), eventList, this, (EventHandlerRef *)&m_macEventHandler);
 #endif
     m_macFocus = NULL ;
 
diff --git a/src/mac/dc.cpp b/src/mac/dc.cpp
index 593c01c367..420d5dce82 100644
--- a/src/mac/dc.cpp
+++ b/src/mac/dc.cpp
@@ -1781,7 +1781,7 @@ void wxDC::MacInstallFont() const
     Fixed atsuSize = IntToFixed( int(m_scaleY * font->m_macFontSize) ) ;
     Style qdStyle = font->m_macFontStyle ;
     ATSUFontID    atsuFont = font->m_macATSUFontID ;
-    status = ::ATSUCreateStyle(&(ATSUStyle)m_macATSUIStyle) ;
+    status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
     ATSUAttributeTag atsuTags[] =
     {
diff --git a/src/mac/textctrl.cpp b/src/mac/textctrl.cpp
index 17740e7cce..8a280cf29e 100644
--- a/src/mac/textctrl.cpp
+++ b/src/mac/textctrl.cpp
@@ -722,7 +722,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
         m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , true , 0 , 0 , 1,
             (style & wxTE_PASSWORD) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
         long size ;
-        ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &((TEHandle) m_macTE) , &size ) ;
+        ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*)((TEHandle *)&m_macTE) , &size ) ;
 
     }
     else
diff --git a/src/mac/toplevel.cpp b/src/mac/toplevel.cpp
index b4864e8f21..66c28891ca 100644
--- a/src/mac/toplevel.cpp
+++ b/src/mac/toplevel.cpp
@@ -681,7 +681,7 @@ void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
 #if TARGET_CARBON
     InstallStandardEventHandler( GetWindowEventTarget(MAC_WXHWND(m_macWindow)) ) ;
     InstallWindowEventHandler(MAC_WXHWND(m_macWindow), GetwxMacWindowEventHandlerUPP(),
-        GetEventTypeCount(eventList), eventList, this, &((EventHandlerRef)m_macEventHandler));
+        GetEventTypeCount(eventList), eventList, this, (EventHandlerRef *)&m_macEventHandler);
 #endif
     m_macFocus = NULL ;