X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FJalviewChimeraBindingModel.java;h=8d11ca06c2be94f8175a10425b4af372f3236f9e;hb=abd0918cc633b946cfea588ef4b4d666edf9fc8b;hp=801b285864dac7afc24d2409c2b680e7350de756;hpb=17fa35af8bae6956fdee231e10ef5928f34ca810;p=jalview.git

diff --git a/src/jalview/gui/JalviewChimeraBindingModel.java b/src/jalview/gui/JalviewChimeraBindingModel.java
index 801b285..8d11ca0 100644
--- a/src/jalview/gui/JalviewChimeraBindingModel.java
+++ b/src/jalview/gui/JalviewChimeraBindingModel.java
@@ -128,13 +128,20 @@ public class JalviewChimeraBindingModel extends JalviewChimeraBinding
       @Override
       public void run()
       {
-        long stm = cvf.startProgressBar(progressMsg);
+        long handle = 0;
+        if (progressMsg != null)
+        {
+          handle = cvf.startProgressBar(progressMsg);
+        }
         try
         {
           sendChimeraCommand(command, false);
         } finally
         {
-          cvf.stopProgressBar(null, stm);
+          if (progressMsg != null)
+          {
+            cvf.stopProgressBar(null, handle);
+          }
         }
       }
     });