diff --git a/mozilla/editor/libeditor/html/nsHTMLDataTransfer.cpp b/mozilla/editor/libeditor/html/nsHTMLDataTransfer.cpp
index 7eb4cf9a121..028e731fc2d 100644
--- a/mozilla/editor/libeditor/html/nsHTMLDataTransfer.cpp
+++ b/mozilla/editor/libeditor/html/nsHTMLDataTransfer.cpp
@@ -1110,7 +1110,7 @@ NS_IMETHODIMP nsHTMLEditor::InsertFromDrop(nsIDOMEvent* aDropEvent)
       nsCOMPtr<nsIDOMMouseEvent> mouseEvent(do_QueryInterface(aDropEvent));
       if (mouseEvent)
 
-#ifdef XP_MAC
+#if defined(XP_MAC) || defined(XP_MACOSX)
         mouseEvent->GetAltKey(&userWantsCopy);
 #else
         mouseEvent->GetCtrlKey(&userWantsCopy);
diff --git a/mozilla/editor/libeditor/text/nsPlaintextDataTransfer.cpp b/mozilla/editor/libeditor/text/nsPlaintextDataTransfer.cpp
index 65b2056b68a..46a6cf12ae7 100644
--- a/mozilla/editor/libeditor/text/nsPlaintextDataTransfer.cpp
+++ b/mozilla/editor/libeditor/text/nsPlaintextDataTransfer.cpp
@@ -215,7 +215,7 @@ NS_IMETHODIMP nsPlaintextEditor::InsertFromDrop(nsIDOMEvent* aDropEvent)
       nsCOMPtr<nsIDOMMouseEvent> mouseEvent ( do_QueryInterface(aDropEvent) );
       if (mouseEvent)
 
-#ifdef XP_MAC
+#if defined(XP_MAC) || defined(XP_MACOSX)
         mouseEvent->GetAltKey(&userWantsCopy);
 #else
         mouseEvent->GetCtrlKey(&userWantsCopy);