diff --git a/gramps/gui/views/treemodels/sourcemodel.py b/gramps/gui/views/treemodels/sourcemodel.py
index 6a76064ef..1b7b396b0 100644
--- a/gramps/gui/views/treemodels/sourcemodel.py
+++ b/gramps/gui/views/treemodels/sourcemodel.py
@@ -99,7 +99,7 @@ class SourceModel(FlatBaseModel):
         return len(self.fmap)+1
 
     def column_title(self,data):
-        return data[2]
+        return data[2].replace('\n', ' ')
 
     def column_author(self,data):
         return data[3]