X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2Fdialogrunner%2FDialogRunner.java;h=fa9886953fd630a78958113edba737b25d84a61a;hb=406e7b1a013740e38221de3a0621232aa229093e;hp=9f2383255d9c10685c708f6110a1e47d11c214f1;hpb=13391b836bdc59c53cd8e8aba8d449629307d9b7;p=jalview.git

diff --git a/src/jalview/util/dialogrunner/DialogRunner.java b/src/jalview/util/dialogrunner/DialogRunner.java
index 9f23832..fa98869 100644
--- a/src/jalview/util/dialogrunner/DialogRunner.java
+++ b/src/jalview/util/dialogrunner/DialogRunner.java
@@ -193,7 +193,8 @@ public class DialogRunner<T extends DialogRunnerI> implements DialogRunnerI
       return;
     }
     responses.add(response);
-    List<RunResponse> laction = callbacks.get(response);
+    
+    List<RunResponse> laction = response.isNull() ? null : callbacks.get(response);
 
     if (laction == null)
     {