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JAL-3397 final update
[jalview.git] / src / jalview / analysis / CrossRef.java
diff --git a/src/jalview/analysis/CrossRef.java b/src/jalview/analysis/CrossRef.java
index dbad53e..1ab8a24 100644 (file)
--- a/src/jalview/analysis/CrossRef.java
+++ b/src/jalview/analysis/CrossRef.java
@@ -652,7 +652,8 @@ public class CrossRef
                     @Override
                     public boolean equalsInterval(IntervalI sf)
                     {
-                      return equals((SequenceFeature) sf, true);
+                      return sf != null
+                              && equals((SequenceFeature) sf, true);
                     }
                   };