diff --git a/profiles/arch/amd64/package.use.mask b/profiles/arch/amd64/package.use.mask
index 8e8c69b00f51b..b82f6915cfcdd 100644
--- a/profiles/arch/amd64/package.use.mask
+++ b/profiles/arch/amd64/package.use.mask
@@ -17,6 +17,10 @@
 
 #--- END OF EXAMPLES ---
 
+# Amy Liffey <amynka@gentoo.org> (19 Sep 2017)
+# [cuda] is unmasked in this profiles.
+media-libs/opencv -contrib_xfeatures2d
+
 # Brian Evans <grknight@gentoo.org> (21 Jul 2017)
 # app-crypt/argon2 is keyworded on amd64
 dev-lang/php -argon2
diff --git a/profiles/arch/base/package.use.mask b/profiles/arch/base/package.use.mask
index 11c5085cfcd21..2bc6156c440de 100644
--- a/profiles/arch/base/package.use.mask
+++ b/profiles/arch/base/package.use.mask
@@ -1,6 +1,10 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+# Amy Liffey <amynka@gentoo.org> (19 Sep 2017)
+# Requires [cuda] which is masked in most of the profiles.
+media-libs/opencv -contrib_xfeatures2d
+
 # Alon Bar-Lev <alonbl@gentoo.org> (01 Sep 2017)
 # dev-python/tlslite is keyworded only for x86/amd64
 # waiting for ppc, bug#629506