diff --git a/src/calibre/gui2/actions/store.py b/src/calibre/gui2/actions/store.py
index 5007dad659..9c30a9beb1 100644
--- a/src/calibre/gui2/actions/store.py
+++ b/src/calibre/gui2/actions/store.py
@@ -52,6 +52,8 @@ class StoreAction(InterfaceAction):
         author = ''
         if self.gui.current_view() is self.gui.library_view:
             author = self.gui.library_view.model().authors(row)
+            if author:
+                author = author.replace('|', ',')
         else:
             mi = self.gui.current_view().model().get_book_display_info(row)
             author = ' & '.join(mi.authors)