diff --git a/src/Helpers/Build.php b/src/Helpers/Build.php
index 78663e266cf271ea61b933ba4f7c4ffe0bf8dec7..cce36ffe7d7f51148666b42eabb69dc227f0027e 100644
--- a/src/Helpers/Build.php
+++ b/src/Helpers/Build.php
@@ -209,7 +209,8 @@
                 $tmp = explode("  ", file_get_contents($path . '.md5sum'));
                 $ret = $tmp[0];
             } elseif ($this->commandExists('md5sum')) {
-                exec('md5sum ' . $path. ' > '.$path.'.md5sum');
+                $dir = rtrim($path, $this->filename);
+                exec("cd $dir && md5sum " . $this->filename. ' > '.$path.'.md5sum');
                 $tmp = explode("  ", file_get_contents($path . '.md5sum'));
                 $ret = $tmp[0];
             } else {