diff --git a/src/Factories/TestCaseFactory.php b/src/Factories/TestCaseFactory.php
index 3f6e4f0d..05859fdd 100644
--- a/src/Factories/TestCaseFactory.php
+++ b/src/Factories/TestCaseFactory.php
@@ -165,6 +165,7 @@ final class TestCaseFactory
             }, $filename);
         }
 
+        $filename = realpath($filename);
         $rootPath     = TestSuite::getInstance()->rootPath;
         $relativePath = str_replace($rootPath . DIRECTORY_SEPARATOR, '', $filename);
         // Strip out any %-encoded octets.
diff --git a/src/TestSuite.php b/src/TestSuite.php
index 2d2bbfd8..e3d9f772 100644
--- a/src/TestSuite.php
+++ b/src/TestSuite.php
@@ -83,7 +83,7 @@ final class TestSuite
         $this->afterEach  = new AfterEachRepository();
         $this->afterAll   = new AfterAllRepository();
 
-        $this->rootPath = $rootPath;
+        $this->rootPath = realpath($rootPath);
     }
 
     /**