diff --git a/scripts.d/45-x11/99-finalize.sh b/scripts.d/45-x11/99-finalize.sh
new file mode 100755
index 0000000..88e31ea
--- /dev/null
+++ b/scripts.d/45-x11/99-finalize.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+ffbuild_enabled() {
+    [[ $TARGET != linux* ]] && return -1
+    return 0
+}
+
+ffbuild_dockerlayer() {
+    to_df "COPY --from=${SELFLAYER} \$FFBUILD_PREFIX/. \$FFBUILD_PREFIX"
+    to_df "COPY --from=${SELFLAYER} \$FFBUILD_PREFIX/share/aclocal/. /usr/share/aclocal"
+}
+
+ffbuild_dockerbuild() {
+    true
+}