diff --git a/profiles/desktop/package.mask b/profiles/desktop/package.mask
index 8a3498d6..7852d576 100644
--- a/profiles/desktop/package.mask
+++ b/profiles/desktop/package.mask
@@ -3,3 +3,4 @@
 =sys-fs/udev-238 #  error: size of array ‘a’ is negative
 =gnome-base/dconf-editor-3.30.2 # build fails
 >=sys-kernel/genkernel-4 # grub does not find kernels with that specific names
+=net-libs/libtorrent-rasterbar-1.2.12 # build fails: Unable to load B2: could not find build system.