diff --git a/contrib/src/stc/PlatWX.cpp b/contrib/src/stc/PlatWX.cpp
index b3232e6aa5..606d9d809b 100644
--- a/contrib/src/stc/PlatWX.cpp
+++ b/contrib/src/stc/PlatWX.cpp
@@ -806,6 +806,14 @@ public:
         event.Skip();
     }
 
+#ifdef __WXMAC__
+    virtual bool Show(bool show = true) {
+        bool rv = wxWindow::Show(show);
+        GetParent()->Refresh(false);
+        return rv;
+    }
+#endif
+    
     void OnActivate(wxListEvent& WXUNUSED(event)) {
         doubleClickAction(doubleClickActionData);
     }
diff --git a/contrib/src/stc/ScintillaWX.cpp b/contrib/src/stc/ScintillaWX.cpp
index 50773daee1..779ac2a3df 100644
--- a/contrib/src/stc/ScintillaWX.cpp
+++ b/contrib/src/stc/ScintillaWX.cpp
@@ -636,6 +636,7 @@ long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lPar
             LexerManager::GetInstance()->Load((const char*)lParam);
             break;
 #endif
+
       default:
           return ScintillaBase::WndProc(iMessage, wParam, lParam);
       }
@@ -983,7 +984,9 @@ void ScintillaWX::DoDragLeave() {
 
 // Force the whole window to be repainted
 void ScintillaWX::FullPaint() {
+#ifndef __WXMAC__
     stc->Refresh(false);
+#endif
     stc->Update();
 }
 
diff --git a/src/stc/PlatWX.cpp b/src/stc/PlatWX.cpp
index b3232e6aa5..606d9d809b 100644
--- a/src/stc/PlatWX.cpp
+++ b/src/stc/PlatWX.cpp
@@ -806,6 +806,14 @@ public:
         event.Skip();
     }
 
+#ifdef __WXMAC__
+    virtual bool Show(bool show = true) {
+        bool rv = wxWindow::Show(show);
+        GetParent()->Refresh(false);
+        return rv;
+    }
+#endif
+    
     void OnActivate(wxListEvent& WXUNUSED(event)) {
         doubleClickAction(doubleClickActionData);
     }
diff --git a/src/stc/ScintillaWX.cpp b/src/stc/ScintillaWX.cpp
index 50773daee1..779ac2a3df 100644
--- a/src/stc/ScintillaWX.cpp
+++ b/src/stc/ScintillaWX.cpp
@@ -636,6 +636,7 @@ long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lPar
             LexerManager::GetInstance()->Load((const char*)lParam);
             break;
 #endif
+
       default:
           return ScintillaBase::WndProc(iMessage, wParam, lParam);
       }
@@ -983,7 +984,9 @@ void ScintillaWX::DoDragLeave() {
 
 // Force the whole window to be repainted
 void ScintillaWX::FullPaint() {
+#ifndef __WXMAC__
     stc->Refresh(false);
+#endif
     stc->Update();
 }