diff --git a/doc/rpm-build/checkout-build-archives.php b/doc/rpm-build/checkout-build-archives.php
index b1dbc1c801..282a954ac4 100755
--- a/doc/rpm-build/checkout-build-archives.php
+++ b/doc/rpm-build/checkout-build-archives.php
@@ -1,4 +1,4 @@
-#!/usr/bin/env php -qC
+#!/usr/bin/env php -qCd memory_limit=-1
 <?php
 /**
  * EGroupware - checkout, build and release archives, build Debian and rpm packages