diff --git a/maintenance/docmatcher.py b/maintenance/docmatcher.py
index 6835100..3bc8b4f 100644
--- a/maintenance/docmatcher.py
+++ b/maintenance/docmatcher.py
@@ -15,7 +15,7 @@ NON_VARIABLES = ('UTF', 'USE', 'TCP', 'SMP', 'PXE', 'PPC', 'MAC',
 	'GRP', 'DOCTYPE', 'DHCP', 'DEFAULT', 'ATARAID', 'APPEND')
 
 EXTRA_VARIABLES = ['ARCH_OVERRIDE', 'BOOTLOADER', 'CLEAR_CACHE_DIR', 'DEFAULT_KERNEL_SOURCE', 'DISTDIR', 'GK_SHARE', 'BUSYBOX_APPLETS']
-for app in ('DEVICE_MAPPER', 'UNIONFS_FUSE', 'BUSYBOX', 'DMRAID', 'LVM', 'ISCSI', 'FUSE', 'GPG'):
+for app in ('DEVICE_MAPPER', 'UNIONFS_FUSE', 'BUSYBOX', 'DMRAID', 'LVM', 'ISCSI', 'FUSE', 'GPG', 'MDADM'):
 	for prop in ('DIR', 'SRCTAR', 'VER'):
 		EXTRA_VARIABLES.append('%s_%s' % (app, prop))
 EXTRA_VARIABLES = tuple(EXTRA_VARIABLES)