diff --git a/macmouseover.hh b/macmouseover.hh
index 116a5a6f..0f528bc5 100644
--- a/macmouseover.hh
+++ b/macmouseover.hh
@@ -31,6 +31,8 @@ public:
 
   /// Called from event loop callback
   void mouseMoved();
+
+  static bool isAXAPIEnabled();
   
 signals:
 
diff --git a/macmouseover.mm b/macmouseover.mm
index c5940b3c..890dbe7b 100644
--- a/macmouseover.mm
+++ b/macmouseover.mm
@@ -1,8 +1,9 @@
-#include "macmouseover.hh"
+include "macmouseover.hh"
 #include <AppKit/NSTouch.h>
 #include <AppKit/NSEvent.h>
 #include <AppKit/NSScreen.h>
 #include <Foundation/NSAutoreleasePool.h>
+#include <Foundation/Foundation.h>
 
 const int mouseOverInterval = 300;
 
@@ -91,7 +92,7 @@ void MacMouseOver::mouseMoved()
 void MacMouseOver::enableMouseOver()
 {
   mouseTimer.stop();
-  if( !AXAPIEnabled() )
+  if( !isAXAPIEnabled() )
     return;
   if( !tapRef )
     tapRef = CGEventTapCreate( kCGAnnotatedSessionEventTap, kCGHeadInsertEventTap,
@@ -318,3 +319,11 @@ void MacMouseOver::handleRetrievedString( QString & wordSeq, int wordSeqPos )
 
   emit instance().hovered( word, false );
 }
+
+bool MacMouseOver::isAXAPIEnabled()
+{
+  if( NSFoundationVersionNumber >= 1000 )  // MacOS 10.9+
+    return AXIsProcessTrusted();
+
+  return AXAPIEnabled();
+}
diff --git a/mainwindow.cc b/mainwindow.cc
index eecae895..c5d1ab57 100644
--- a/mainwindow.cc
+++ b/mainwindow.cc
@@ -32,6 +32,7 @@
 
 #ifdef Q_OS_MAC
 #include "lionsupport.h"
+#include "macmouseover.hh"
 #endif
 
 #ifdef Q_OS_WIN32
@@ -758,7 +759,7 @@ MainWindow::MainWindow( Config::Class & cfg_ ):
   updateStatusLine();
 
 #ifdef Q_OS_MACX
-  if( cfg.preferences.startWithScanPopupOn && !AXAPIEnabled() )
+  if( cfg.preferences.startWithScanPopupOn && !MacMouseOver::isAXAPIEnabled() )
       mainStatusBar->showMessage( tr( "Accessibility API is not enabled" ), 10000,
                                       QPixmap( ":/icons/error.png" ) );
 #endif
@@ -2768,7 +2769,7 @@ void MainWindow::scanEnableToggled( bool on )
     {
       scanPopup->enableScanning();
 #ifdef Q_OS_MACX
-      if( !AXAPIEnabled() )
+      if( !MacMouseOver::isAXAPIEnabled() )
           mainStatusBar->showMessage( tr( "Accessibility API is not enabled" ), 10000,
                                           QPixmap( ":/icons/error.png" ) );
 #endif