diff --git a/uk/ac/sanger/artemis/components/Splash.java b/uk/ac/sanger/artemis/components/Splash.java
index 96a7aaaf2c9d698d46764b5715d6ac40d02e11a4..333a1fc5b2297ccdce179d4b78f1a9ed9171727d 100644
--- a/uk/ac/sanger/artemis/components/Splash.java
+++ b/uk/ac/sanger/artemis/components/Splash.java
@@ -324,7 +324,8 @@ abstract public class Splash extends JFrame
   
   private boolean isMac() 
   {
-    return System.getProperty("mrj.version") != null;
+    return System.getProperty("mrj.version") != null ||
+           System.getProperty("os.name").toLowerCase().indexOf("mac") >= 0;
   }
   
   private boolean isWindows()