diff --git a/profiles/templates/3.5/6_ac_update_sync/world/grp/gui-libs b/profiles/templates/3.5/6_ac_update_sync/world/grp/gui-libs
index 76200f53..7b904ec5 100644
--- a/profiles/templates/3.5/6_ac_update_sync/world/grp/gui-libs
+++ b/profiles/templates/3.5/6_ac_update_sync/world/grp/gui-libs
@@ -2,4 +2,8 @@
 
 #?in(os_linux_pkglist, CB3)!=#
 #-world(#-cl_pass_file-#)-#
+!!gbm:0
+#in#
+#?in(os_linux_pkglist, CB4)!=#
+gbm
 #in#