diff --git a/afterstep/afterstep/afterstep.desc b/afterstep/afterstep/afterstep.desc
index 7b8b6d8d1..0332f1409 100644
--- a/afterstep/afterstep/afterstep.desc
+++ b/afterstep/afterstep/afterstep.desc
@@ -31,6 +31,8 @@
 
 [C] extra/windowmanager
 
+[F] NOPARALLEL
+
 [L] GPL
 [S] Stable
 [V] 2.2.11