X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fgui%2FScalePanel.java;h=54924d0b23f076670f2e9efa3e0cbc677929701d;hb=c1e82b5f51e05f64318bfc8eae4e85b58d1922b5;hp=a6027aa489f60b3fe419bae3e81b8d4c28a8e8bb;hpb=c9341214ff17ad97ad65c79335187a1b8ca17ca2;p=jalview.git

diff --git a/src/jalview/gui/ScalePanel.java b/src/jalview/gui/ScalePanel.java
index a6027aa..54924d0 100755
--- a/src/jalview/gui/ScalePanel.java
+++ b/src/jalview/gui/ScalePanel.java
@@ -207,6 +207,8 @@ public class ScalePanel extends JPanel implements MouseMotionListener, MouseList
         mouseDragging = true;
 
         int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
+        if(res<0)
+          res = 0;
 
         if(av.hasHiddenColumns)
           res = av.getColumnSelection().adjustForHiddenColumns(res);
@@ -229,7 +231,6 @@ public class ScalePanel extends JPanel implements MouseMotionListener, MouseList
 
 
 
-
         SequenceGroup sg = av.getSelectionGroup();
 
         if (sg != null)