diff --git a/uk/ac/sanger/artemis/components/MultiComparator.java b/uk/ac/sanger/artemis/components/MultiComparator.java
index 06a393fb88061a2b83333f2d734681cb74525b34..c412fd8e69ce82af1b2d1edd540a5646b1c51860 100644
--- a/uk/ac/sanger/artemis/components/MultiComparator.java
+++ b/uk/ac/sanger/artemis/components/MultiComparator.java
@@ -301,7 +301,7 @@ public class MultiComparator extends JFrame
       if(i < getAlignmentViewerArray().length) 
       {
         c.fill = GridBagConstraints.BOTH;
-        c.weighty = 1;
+        c.weighty = 0.5;
         getContentPane().add(getAlignmentViewerArray()[i], c);
       }
     }