X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fstructures%2Fmodels%2FAAStructureBindingModel.java;h=7d9674ea1c6220cabdec94cd6951908408324264;hb=a7169b1c72607f3c9357195b4999869650a2a891;hp=8436b48eef8a8811416955a1b257feaf77cb6dcf;hpb=bc97c1d6107222987fc31af58ba390c5425dcdda;p=jalview.git

diff --git a/src/jalview/structures/models/AAStructureBindingModel.java b/src/jalview/structures/models/AAStructureBindingModel.java
index 8436b48..7d9674e 100644
--- a/src/jalview/structures/models/AAStructureBindingModel.java
+++ b/src/jalview/structures/models/AAStructureBindingModel.java
@@ -973,7 +973,10 @@ public abstract class AAStructureBindingModel
       }
       List<StructureCommandI> finalView = commandGenerator
               .centerViewOn(models);
-      executeCommands(finalView, false, "Centered on Superposition");
+      if (finalView != null && finalView.size() > 0)
+      {
+        executeCommands(finalView, false, "Centered on Superposition");
+      }
     }
     return error;
   }