diff --git a/debian/wit-network-config.postinst b/debian/wit-network-config.postinst
index 6c3a49b..0f78f94 100755
--- a/debian/wit-network-config.postinst
+++ b/debian/wit-network-config.postinst
@@ -93,7 +93,7 @@ case "$1" in
 
 		EOF
 
-		FRR_BASTION="${FRR_BASTION}ip prefix-list ANY permit 0.0.0.0/0 le 32\n"
+		FRR_BASTION="${FRR_BASTION}ip prefix-list ANY permit 0.0.0.0\/0 le 32\n"
 		FRR_BASTION="${FRR_BASTION}route-map BASTION permit 10\n"
 		FRR_BASTION="${FRR_BASTION}  match ip address prefix-list ANY\n"
 		FRR_BASTION="${FRR_BASTION}  set src ${PUBLICLOIP}\n"