diff --git a/scripts/debian-tweaks.diff b/scripts/debian-tweaks.diff
index e5efedf..2cf6270 100644
--- a/scripts/debian-tweaks.diff
+++ b/scripts/debian-tweaks.diff
@@ -23,7 +23,7 @@ index 0000000..6d06fc7
 +	fi
 +
 +	if [ -d /lib/firmware/ ] ; then
-+		cp -ru /lib/firmware/ /target/lib/ || true
++		cp --recursive --update /lib/firmware/ /target/lib/ || true
 +	fi
 +
 +	rm -f /etc/rcn.conf
diff --git a/scripts/ubuntu-tweaks.diff b/scripts/ubuntu-tweaks.diff
index 57540a3..4549b7d 100644
--- a/scripts/ubuntu-tweaks.diff
+++ b/scripts/ubuntu-tweaks.diff
@@ -20,7 +20,7 @@ index 0000000..6d06fc7
 +	echo "vm.min_free_kbytes = 8192" >> /target/etc/sysctl.conf
 +
 +	if [ -d /lib/firmware/ ] ; then
-+		cp -ru /lib/firmware/ /target/lib/ || true
++		cp --recursive --update /lib/firmware/ /target/lib/ || true
 +	fi
 +
 +	rm -f /etc/rcn.conf