diff --git a/verify.py b/verify.py
index 7dec171..ef896cb 100644
--- a/verify.py
+++ b/verify.py
@@ -11,7 +11,7 @@ def main(arguments):
     psl = PublicSuffixList()
     with open("disposable_email_blacklist.conf", "r") as deb:
         for line in deb:
-            if psl.publicsuffix(line) != line:
+            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.')