graphThreshold not being copied by constructor

diff --git a/src/jalview/datamodel/AlignmentAnnotation.java b/src/jalview/datamodel/AlignmentAnnotation.java
index bd5bfcf..236e8ee 100755 (executable)
--- a/src/jalview/datamodel/AlignmentAnnotation.java
+++ b/src/jalview/datamodel/AlignmentAnnotation.java
@@ -380,7 +380,7 @@ public class AlignmentAnnotation
     {
       this.score = annotation.score;
     }
-    if (threshold != null)
+    if (annotation.threshold != null)
     {
       threshold = new GraphLine(annotation.threshold);
     }