diff --git a/recipes-tweaks/pam/libpam_1.1.6.bbappend b/recipes-tweaks/pam/libpam_1.1.6.bbappend
new file mode 100644
index 0000000..aa8e1a3
--- /dev/null
+++ b/recipes-tweaks/pam/libpam_1.1.6.bbappend
@@ -0,0 +1,4 @@
+#allow empty password
+do_install_append () {
+	sed -i -e 's:nullok_secure:nullok:g' ${D}${sysconfdir}/pam.d/common-auth
+}