diff --git a/index.js b/index.js
index aecb72d..0c8477b 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const fs = require('fs');
 const path = require('path');
 const { promisify } = require('util');
 const glob = promisify(require('glob'));
@@ -50,6 +51,8 @@ class TestExclude {
 
         this.exclude = prepGlobPatterns([].concat(this.exclude));
 
+        this.cwd = fs.realpathSync(this.cwd);
+
         this.handleNegation();
     }