diff --git a/picard/ui/tagsfromfilenames.py b/picard/ui/tagsfromfilenames.py
index 2ff30f9b6..b31a11cf8 100644
--- a/picard/ui/tagsfromfilenames.py
+++ b/picard/ui/tagsfromfilenames.py
@@ -48,13 +48,13 @@ class TagsFromFileNamesDialog(PicardDialog):
             "%artist% - %album%/%tracknumber% %title%",
             "%artist% - %album%/%tracknumber% - %title%",
         ]
-        format = config.persist["tags_from_filenames_format"]
-        if format not in items:
+        tff_format = config.persist["tags_from_filenames_format"]
+        if tff_format not in items:
             selected_index = 0
-            if format:
-                items.insert(0, format)
+            if tff_format:
+                items.insert(0, tff_format)
         else:
-            selected_index = items.index(format)
+            selected_index = items.index(tff_format)
         self.ui.format.addItems(items)
         self.ui.format.setCurrentIndex(selected_index)
         self.ui.buttonbox.addButton(StandardButton(StandardButton.OK), QtWidgets.QDialogButtonBox.AcceptRole)
@@ -74,10 +74,10 @@ class TagsFromFileNamesDialog(PicardDialog):
         self.numeric_tags = ('tracknumber', 'totaltracks', 'discnumber', 'totaldiscs')
 
     def parse_format(self):
-        format = self.ui.format.currentText()
+        tff_format = self.ui.format.currentText()
         columns = []
         format_re = ['(?:^|/)']
-        for part in self._tag_re.split(format):
+        for part in self._tag_re.split(tff_format):
             if part.startswith('%') and part.endswith('%'):
                 name = part[1:-1]
                 columns.append(name)
@@ -93,8 +93,8 @@ class TagsFromFileNamesDialog(PicardDialog):
         format_re = re.compile("".join(format_re))
         return format_re, columns
 
-    def match_file(self, file, format):
-        match = format.search(file.filename.replace('\\','/'))
+    def match_file(self, file, tff_format):
+        match = tff_format.search(file.filename.replace('\\','/'))
         if match:
             result = {}
             for name, value in match.groupdict().items():
@@ -109,19 +109,19 @@ class TagsFromFileNamesDialog(PicardDialog):
             return {}
 
     def preview(self):
-        format, columns = self.parse_format()
+        tff_format, columns = self.parse_format()
         self.ui.files.setHeaderLabels([_("File Name")] + list(map(display_tag_name, columns)))
         for item, file in zip(self.items, self.files):
-            matches = self.match_file(file, format)
+            matches = self.match_file(file, tff_format)
             for i, column in enumerate(columns):
                 item.setText(i + 1, matches.get(column, ''))
         self.ui.files.header().resizeSections(QtWidgets.QHeaderView.ResizeToContents)
         self.ui.files.header().setStretchLastSection(True)
 
     def accept(self):
-        format, columns = self.parse_format()
+        tff_format, columns = self.parse_format()
         for file in self.files:
-            metadata = self.match_file(file, format)
+            metadata = self.match_file(file, tff_format)
             for name, value in metadata.items():
                 file.metadata[name] = value
             file.update()