diff --git a/core/etc/grs/world.conf b/core/etc/grs/world.conf
index ca2a9fe..87cca05 100644
--- a/core/etc/grs/world.conf
+++ b/core/etc/grs/world.conf
@@ -176,7 +176,7 @@ package.use : app-arch/xz-utils:0 -nls static-libs threads
 package.use : app-arch/zip:0 bzip2 crypt natspec unicode
 
 [app-backup/backintime:0]
-package.use : app-backup/backintime:0 -gnome -kde
+package.use : app-backup/backintime:0 -gnome -kde python_single_target_python3_4
 
 [app-backup/backup-manager:0]
 package.use : app-backup/backup-manager:0 -doc