X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FAlignmentPanel.java;h=07c65fee0fc39a0cc18869d43dd4d3e19f175c14;hb=7544cc610aa35fd10e975598cc8fb2c97abe6bd9;hp=b2c48090a693e08ff88d31f108b022a37efb8c1b;hpb=ed671cc6c671a3f225f28311b2745d576bbe3c82;p=jalview.git

diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index b2c4809..07c65fe 100644
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -1604,6 +1604,7 @@ public class AlignmentPanel extends GAlignmentPanel implements
     if (annotationPanel != null)
     {
       annotationPanel.dispose();
+      annotationPanel = null;
     }
 
     if (av != null)
@@ -1633,9 +1634,15 @@ public class AlignmentPanel extends GAlignmentPanel implements
    */
   protected void closeChildFrames()
   {
+    if (overviewPanel != null)
+    {
+      overviewPanel.dispose();
+      overviewPanel = null;
+    }
     if (calculationDialog != null)
     {
       calculationDialog.closeFrame();
+      calculationDialog = null;
     }
   }