diff --git a/common/libs/func_install_blfs b/common/libs/func_install_blfs
index 279b35d..991b96d 100644
--- a/common/libs/func_install_blfs
+++ b/common/libs/func_install_blfs
@@ -52,8 +52,10 @@ sudo make -j1 -C $BUILDDIR$BLFS_ROOT             \
           TRACKING_DIR=$BUILDDIR$TRACKING_DIR    \
           LFS_XML=$BUILDDIR$BLFS_ROOT/$LFS_XML   \
           LFS-GIT=$GIT/lfs.git                   \
+          LFS-BRANCH=${LFS_TREE}                 \
           BLFS_XML=$BUILDDIR$BLFS_ROOT/$BLFS_XML \
           GIT=$GIT/blfs.git                      \
+          BLFS-BRANCH=${BLFS_TREE}               \
           $BUILDDIR$BLFS_ROOT/packages.xml
 
 # But then $BUILDDIR/var/lib/ is owned by root if just created, which