diff --git a/test/Unit/Locator/GitRepositoryDirLocatorTest.php b/test/Unit/Locator/GitRepositoryDirLocatorTest.php
index f49caa92..d30e1629 100644
--- a/test/Unit/Locator/GitRepositoryDirLocatorTest.php
+++ b/test/Unit/Locator/GitRepositoryDirLocatorTest.php
@@ -73,6 +73,6 @@ public function it_can_locate_git_dir_in_workspaces(): void
         mkdir($worktreeRoot, 0777, true);
         $this->filesystem->dumpFile($worktreeRoot.'/commondir', '../..');
         $this->filesystem->dumpFile($this->gitDir, 'gitdir: '.$this->workspace.'/git_root/worktrees/git_worktree');
-        $this->assertEquals($this->workspace.'/git_root', $this->locator->locate($this->gitDir));
+        $this->assertEquals($this->workspace.DIRECTORY_SEPARATOR.'git_root', $this->locator->locate($this->gitDir));
     }
 }