diff --git a/expert/field.py b/expert/field.py
index 4bf1ae6..1695b61 100644
--- a/expert/field.py
+++ b/expert/field.py
@@ -220,7 +220,8 @@ class TargetField(RelationField):
         value = self.getRawValue(row)
         if value is not None:
             value = util.getObjectForUid(value)
-            return value.title
+            if value is not None:
+                return value.title
 
     def getValue(self, row):
         value = self.getRawValue(row)