diff --git a/contrib/src/stc/ScintillaWX.cpp b/contrib/src/stc/ScintillaWX.cpp
index f1ebd65117..ea1dfda78c 100644
--- a/contrib/src/stc/ScintillaWX.cpp
+++ b/contrib/src/stc/ScintillaWX.cpp
@@ -160,7 +160,11 @@ void ScintillaWX::Initialise() {
     dropTarget->SetScintilla(this);
     stc->SetDropTarget(dropTarget);
 #endif
-    vs.extraFontFlag = true;
+#ifdef __WXMAC__
+    vs.extraFontFlag = false;  // UseAntiAliasing
+#else
+    vs.extraFontFlag = true;   // UseAntiAliasing
+#endif
 }
 
 
diff --git a/src/stc/ScintillaWX.cpp b/src/stc/ScintillaWX.cpp
index f1ebd65117..ea1dfda78c 100644
--- a/src/stc/ScintillaWX.cpp
+++ b/src/stc/ScintillaWX.cpp
@@ -160,7 +160,11 @@ void ScintillaWX::Initialise() {
     dropTarget->SetScintilla(this);
     stc->SetDropTarget(dropTarget);
 #endif
-    vs.extraFontFlag = true;
+#ifdef __WXMAC__
+    vs.extraFontFlag = false;  // UseAntiAliasing
+#else
+    vs.extraFontFlag = true;   // UseAntiAliasing
+#endif
 }