diff --git a/tinc/subnet-down.tmpl b/tinc/subnet-down.tmpl
index ce2c043..5ea9f19 100644
--- a/tinc/subnet-down.tmpl
+++ b/tinc/subnet-down.tmpl
@@ -12,6 +12,6 @@ else
     # This subnet is likely an IP address, remove it from the ARP table
     address=`echo "\$SUBNET" | cut -d '/' -f 1`
     echo "Unmapping \$address <=> \$mac from ARP table"
-    arp -s "\$address"
+    arp -d "\$address"
   fi
 fi