diff --git a/src/Factories/TestCaseFactory.php b/src/Factories/TestCaseFactory.php
index 502bb083..c09730a7 100644
--- a/src/Factories/TestCaseFactory.php
+++ b/src/Factories/TestCaseFactory.php
@@ -171,7 +171,7 @@ final class TestCaseFactory
             }, $filename);
         }
 
-        $filename     = addslashes((string) realpath($filename));
+        $filename     = str_replace('\\\\', '\\', addslashes((string) realpath($filename)));
         $rootPath     = TestSuite::getInstance()->rootPath;
         $relativePath = str_replace($rootPath . DIRECTORY_SEPARATOR, '', $filename);
         $relativePath = dirname(ucfirst($relativePath)) . DIRECTORY_SEPARATOR . basename($relativePath, '.php');