diff --git a/test/PHPMailer/SetErrorTest.php b/test/PHPMailer/SetErrorTest.php
index c18d01b5..702e5313 100644
--- a/test/PHPMailer/SetErrorTest.php
+++ b/test/PHPMailer/SetErrorTest.php
@@ -111,7 +111,7 @@ final class SetErrorTest extends TestCase
                     'smtp_code'    => '',
                     'smtp_code_ex' => '',
                 ],
-                'expected' => 'Cannot set or reset variable: nonexistentpropertySMTP server error: Fake error',
+                'expected' => 'Cannot set or reset variable: nonexistentproperty SMTP server error: Fake error',
             ],
             'SMTP error, full details' => [
                 'mockReturn' => [
@@ -120,7 +120,7 @@ final class SetErrorTest extends TestCase
                     'smtp_code'    => 'Fake code',
                     'smtp_code_ex' => 'Fake code ex',
                 ],
-                'expected' => 'Cannot set or reset variable: nonexistentpropertySMTP server error: '
+                'expected' => 'Cannot set or reset variable: nonexistentproperty SMTP server error: '
                     . 'Fake error Detail: Fake detail SMTP code: Fake code Additional SMTP info: Fake code ex',
             ],
         ];