diff --git a/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-br.rules b/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-br.rules
index 475cc02..9d82e61 100644
--- a/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-br.rules
+++ b/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-br.rules
@@ -12,6 +12,7 @@
   chain gbmc_br_input {
     type filter hook input priority 0; policy drop;
     iifname != gbmcbr accept
+    ct state established accept
     jump gbmc_br_int_input
     jump gbmc_br_pub_input
     reject