diff --git a/uk/ac/sanger/artemis/components/alignment/BamView.java b/uk/ac/sanger/artemis/components/alignment/BamView.java
index 4cb44d7afd0473543bb2fd5e2fe78b6e06359304..3a90317e7892f3755cd820797cd128d035b0a3d6 100644
--- a/uk/ac/sanger/artemis/components/alignment/BamView.java
+++ b/uk/ac/sanger/artemis/components/alignment/BamView.java
@@ -2575,6 +2575,12 @@ public class BamView extends JPanel
    */
   public void displayAdjustmentValueChanged(final DisplayAdjustmentEvent event)
   {
+    if(event.getType() == DisplayAdjustmentEvent.REV_COMP_EVENT &&
+       event.isRevCompDisplay())
+      JOptionPane.showMessageDialog(this, 
+          "Flipping the display is not supported by BamView.", "Warning", 
+          JOptionPane.WARNING_MESSAGE);
+
     if(!asynchronous)
     {
       // if not asynchronous