diff --git a/verify.py b/verify.py
index 48be00f..7dec171 100644
--- a/verify.py
+++ b/verify.py
@@ -9,7 +9,7 @@ from publicsuffixlist import PublicSuffixList
 
 def main(arguments):
     psl = PublicSuffixList()
-    with open("disposable_email_blacklist", "r") as deb:
+    with open("disposable_email_blacklist.conf", "r") as deb:
         for line in deb:
             if psl.publicsuffix(line) != line:
                 print(f'The following line is a public suffix: {line} - please remove it from the blacklist file. See https://publicsuffix.org for details.')