diff --git a/ffpb/ffpb-ebtables-net-rules/files/lib/gluon/ebtables/110-ffpb-net-allow-ipv4-space b/ffpb/ffpb-ebtables-net-rules/files/lib/gluon/ebtables/110-ffpb-net-allow-ipv4-space
index 82e5c6f4da2721a42ed6cc6735930430d959f3d9..fdf2e9cace96a7b6291fea87b27c82e81a0cc14e 100644
--- a/ffpb/ffpb-ebtables-net-rules/files/lib/gluon/ebtables/110-ffpb-net-allow-ipv4-space
+++ b/ffpb/ffpb-ebtables-net-rules/files/lib/gluon/ebtables/110-ffpb-net-allow-ipv4-space
@@ -1,4 +1,4 @@
 rule 'FFPB_NET_ONLY -p IPv4 --ip-protocol udp --ip-destination-port 67 -j RETURN'
 rule 'FFPB_NET_ONLY -p IPv4 --ip-src 10.132.0.0/17 -j RETURN'
 rule 'FFPB_NET_ONLY -p ARP --arp-ip-src 10.132.0.0/17 --arp-ip-dst 10.132.0.0/17 -j RETURN'
-rule 'FFPB_NET_ONLY -p ARP --arp-ip-src 0.0.0.0./0 --arp-ip-dst 10.132.0.0/17 -j RETURN'
+rule 'FFPB_NET_ONLY -p ARP --arp-ip-src 0.0.0.0/0 --arp-ip-dst 10.132.0.0/17 -j RETURN'