diff --git a/php-fedora-autoloader.spec b/php-fedora-autoloader.spec
index 641f9b2..fe23f45 100644
--- a/php-fedora-autoloader.spec
+++ b/php-fedora-autoloader.spec
@@ -115,6 +115,10 @@ cp -p res/phpab/fedora.php.tpl %{buildroot}%{phpab_template_dir}/
 
 %check
 %if %{with_tests}
+%if 0%{?el6}
+find tests -type f -print0 | xargs -0 sed -i 's/extends TestCase/extends \\PHPUnit_Framework_TestCase/'
+%endif
+
 RETURN_CODE=0
 for PHP_EXEC in php %{?rhel:php54 php55} php56 php70 php71; do
     if which $PHP_EXEC; then