diff --git a/target/linux/ps3/petitboot/base-files/sbin/initrun b/target/linux/ps3/petitboot/base-files/sbin/initrun
index e253c24b3a..1c3363fcc8 100755
--- a/target/linux/ps3/petitboot/base-files/sbin/initrun
+++ b/target/linux/ps3/petitboot/base-files/sbin/initrun
@@ -1,3 +1,18 @@
 #!/bin/sh
+# Run petitboot at first startup, otherwise run a login.
 
-/bin/ash --login
+sbindir=/usr/sbin
+localstatedir=/var/petitboot
+
+petitboot=$sbindir/petitboot
+run_once=$localstatedir/.run-once
+
+if [ ! -f $run_once -a -x $petitboot ]; then
+	# quiet console
+	echo 3 > /proc/sys/kernel/printk
+	mkdir -p $localstatedir
+	touch $run_once
+        exec $petitboot --timeout
+fi
+
+exec /bin/ash --login