diff --git a/scan.php b/scan.php
index bc8c5b4..3bfd9f8 100644
--- a/scan.php
+++ b/scan.php
@@ -64,10 +64,11 @@ class MalwareScanner
         if ($cli === true) {
             //Read Run Options
             $this->parseArgs();
+            $this->dir = realpath($this->dir);
 
             //Make sure a directory was specified.
             if ($this->dir === '') {
-                $this->error('No directory specified');
+                $this->error('No directory specified or directory doesn\'t exist');
                 exit(-1);
             }