X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FJalviewChimeraBindingModel.java;h=c1f15e5fbd49c5b7721b0b249a55c529a4e4ef4f;hb=5965127c38ff1a35d10d806c4b4537cdc1e39579;hp=a399db3bcead749ce937f8f52a467cf5e1e3cbc6;hpb=b3ff575126349c79f25dcba8526ed8828d668db1;p=jalview.git

diff --git a/src/jalview/gui/JalviewChimeraBindingModel.java b/src/jalview/gui/JalviewChimeraBindingModel.java
index a399db3..c1f15e5 100644
--- a/src/jalview/gui/JalviewChimeraBindingModel.java
+++ b/src/jalview/gui/JalviewChimeraBindingModel.java
@@ -127,13 +127,20 @@ 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);
+          }
         }
       }
     });