diff --git a/profiles/package.mask b/profiles/package.mask
index e69de29..dd00651 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -0,0 +1,3 @@
+# Masked for removal on 2018-02-05.
+# Use net-im/spectrum2 from the official Gentoo instead.
+net-im/spectrum