diff --git a/strings/is_valid_email_address.py b/strings/is_valid_email_address.py
index c329f2e61..205394f81 100644
--- a/strings/is_valid_email_address.py
+++ b/strings/is_valid_email_address.py
@@ -114,4 +114,4 @@ if __name__ == "__main__":
     for email, valid in email_tests:
         is_valid = is_valid_email_address(email)
         assert is_valid == valid, f"{email} is {is_valid}"
-        print(f"Email address {email} is {'not ' if is_valid else ''}valid")
+        print(f"Email address {email} is {'not ' if not is_valid else ''}valid")