diff --git a/graphic/argyllcms/argyllcms.desc b/graphic/argyllcms/argyllcms.desc
index 615719db0..b34da6a11 100644
--- a/graphic/argyllcms/argyllcms.desc
+++ b/graphic/argyllcms/argyllcms.desc
@@ -32,6 +32,7 @@
 [A] Graeme Gill <graeme@argyllcms.com>
 [M] Luis Fernandes <rconstruct@opensde.org>
 
+[F] NOPARALLEL
 [C] extra/graphic
 
 [L] GPL