diff --git a/doc/rpm-build/checkout-build-archives.php b/doc/rpm-build/checkout-build-archives.php
index 0425ce6b14..e4d562fde2 100755
--- a/doc/rpm-build/checkout-build-archives.php
+++ b/doc/rpm-build/checkout-build-archives.php
@@ -63,11 +63,11 @@ while(($arg = array_shift($argv)))
 			case 'run':
 				if ($value[0] == '+')
 				{
-					$config[$name] = array_unique(array_merge($config['name'],split('[ ,]+',$value)));
+					$config[$name] = array_unique(array_merge($config['name'],preg_split('/[ ,]+/',$value)));
 				}
 				elseif ($value[0] == '-')
 				{
-					$config[$name] = array_diff($config['name'],split('[ ,]+',$value));
+					$config[$name] = array_diff($config['name'],preg_split('/[ ,]+/',$value));
 				}
 				else
 				{