diff --git a/profiles/arch/amd64/use.stable.mask b/profiles/arch/amd64/use.stable.mask
index ebaa2b7a764a1..19d50726194ce 100644
--- a/profiles/arch/amd64/use.stable.mask
+++ b/profiles/arch/amd64/use.stable.mask
@@ -5,10 +5,6 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Davide Pesavento <pesa@gentoo.org> (24 Aug 2015)
-# We need to check the whole tree for not-yet-stable deps before unmasking
-qt5
-
 # Mike Gilbert <floppym@gentoo.org> (19 Oct 2014)
 # sys-libs/libapparmor
 apparmor
diff --git a/profiles/base/package.use.stable.mask b/profiles/base/package.use.stable.mask
index 7eeea5069b591..aa3d222e9d2b1 100644
--- a/profiles/base/package.use.stable.mask
+++ b/profiles/base/package.use.stable.mask
@@ -5,6 +5,10 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in package.use.mask
 
+# Johannes Huber <johu@gentoo.org> (27 Aug 2015)
+# Needs KF 5 stable, bug #558460
+net-irc/quassel qt5
+
 # Davide Pesavento <pesa@gentoo.org> (26 Aug 2015)
 # The corresponding Qt5 modules are not stable yet, and we don't want
 # to stabilize them solely because of PyQt5 when there are no other