diff --git a/danmaku2ass.py b/danmaku2ass.py
index f9043c2..1eb91d4 100755
--- a/danmaku2ass.py
+++ b/danmaku2ass.py
@@ -731,10 +731,10 @@ def export(func):
 
 
 @export
-def Danmaku2ASS(input_files, input_format, output_file, stage_width, stage_height, reserve_blank=0, font_face=_('(FONT) sans-serif')[7:], font_size=25.0, text_opacity=1.0, duration_marquee=5.0, duration_still=5.0, comment_filter=None, comment_filters_json=None, is_reduce_comments=False, progress_callback=None):
+def Danmaku2ASS(input_files, input_format, output_file, stage_width, stage_height, reserve_blank=0, font_face=_('(FONT) sans-serif')[7:], font_size=25.0, text_opacity=1.0, duration_marquee=5.0, duration_still=5.0, comment_filter=None, comment_filters_file=None, is_reduce_comments=False, progress_callback=None):
     comment_filters = [comment_filter]
-    if comment_filters_json:
-        with open(comment_filters_json, 'r') as f:
+    if comment_filters_file:
+        with open(comment_filters_file, 'r') as f:
             d = f.readlines()
             comment_filters.extend([i.strip() for i in d])
     filters_regex = []