diff --git a/metadata/repository_mask.conf b/metadata/repository_mask.conf
new file mode 100644
index 0000000..bcd5c27
--- /dev/null
+++ b/metadata/repository_mask.conf
@@ -0,0 +1,3 @@
+# Daniel Mierswa <impulze@impulze.org> (09 Dec 2010)
+# Mask scm version.
+sys-apps/usbip[~scm]