diff --git a/modules/qi-core/src/main/java/org/jpos/qi/RevisionsPanel.java b/modules/qi-core/src/main/java/org/jpos/qi/RevisionsPanel.java
index 0c17fbbf9b..35ab84e00d 100644
--- a/modules/qi-core/src/main/java/org/jpos/qi/RevisionsPanel.java
+++ b/modules/qi-core/src/main/java/org/jpos/qi/RevisionsPanel.java
@@ -50,7 +50,8 @@ public RevisionsPanel (String ref, DB db) {
         addStyleName(revisions.size() > 0 ? "revision-history" : "invisible");
     }
     private void addRevision (Revision r) {
-        Label author = new Label("<strong>" + r.getAuthor().getName() + "</strong>", ContentMode.HTML);
+        String auth = r.getAuthor() != null ? r.getAuthor().getName() : "author-unknown";
+        Label author = new Label("<strong>" + auth + "</strong>", ContentMode.HTML);
         Label date = new Label(r.getDate().toString());
         Label info = new Label(r.getInfo(), ContentMode.HTML);
         author.setWidth("60%");