diff --git a/resources/images/document-import.png b/resources/images/document-import.png
new file mode 100644
index 0000000000..48d96cafbc
Binary files /dev/null and b/resources/images/document-import.png differ
diff --git a/src/calibre/gui2/tweak_book/ui.py b/src/calibre/gui2/tweak_book/ui.py
index 2b3f22390a..fb4ae3d819 100644
--- a/src/calibre/gui2/tweak_book/ui.py
+++ b/src/calibre/gui2/tweak_book/ui.py
@@ -304,7 +304,7 @@ class Main(MainWindow):
 
         self.action_new_file = treg('document-new.png', _('&New file (images/fonts/HTML/etc.)'), self.boss.add_file,
                                    'new-file', (), _('Create a new file in the current book'))
-        self.action_import_files = treg(None, _('&Import files into book'), self.boss.add_files, 'new-files', (), _('Import files into book'))
+        self.action_import_files = treg('document-import.png', _('&Import files into book'), self.boss.add_files, 'new-files', (), _('Import files into book'))
         self.action_open_book = treg('document_open.png', _('Open &book'), self.boss.open_book, 'open-book', 'Ctrl+O', _('Open a new book'))
         # Qt does not generate shortcut overrides for cmd+arrow on os x which
         # means these shortcuts interfere with editing