diff --git a/AutoStart/S10-eth-irq-prio b/AutoStart/S10-eth-irq-prio
index d55f6e6..abff87d 100755
--- a/AutoStart/S10-eth-irq-prio
+++ b/AutoStart/S10-eth-irq-prio
@@ -7,5 +7,5 @@
 source /etc/ethercat.conf
 for dev in $LINK_DEVICES
 do
-  usr/local/bin/set-irq-threads-priority.sh $dev 92
+  /usr/local/bin/set-irq-threads-priority.sh $dev 92
 done