diff --git a/install_minimal/include/AirtimeInstall.php b/install_minimal/include/AirtimeInstall.php
index fd37edb22..4d037596e 100644
--- a/install_minimal/include/AirtimeInstall.php
+++ b/install_minimal/include/AirtimeInstall.php
@@ -178,7 +178,7 @@ class AirtimeInstall
 
             echo "* Giving Apache permission to access $rp".PHP_EOL;
             $success = chgrp($rp, $CC_CONFIG["webServerUser"]);
-            $success = chmod($rp, 02775);
+            $success = chmod($rp, 0775);
         }
     }