diff --git a/expert/browser/report.py b/expert/browser/report.py
index a24d1bd..940a89b 100755
--- a/expert/browser/report.py
+++ b/expert/browser/report.py
@@ -184,7 +184,8 @@ class ResultsConceptView(ConceptView):
         if not reports:
             type = self.context.conceptType
             reports = type.getParents([self.hasReportPredicate])
-        return adapted(reports[0])
+        if reports:
+            return adapted(reports[0])
 
     @Lazy
     def reportInstance(self):