diff --git a/templates/nftables.j2 b/templates/nftables.j2
index 3890158..6f597c8 100644
--- a/templates/nftables.j2
+++ b/templates/nftables.j2
@@ -6,7 +6,7 @@
 flush ruleset
 
 table inet filter {
-	chain input {
+	chain INPUT {
 		type filter hook input priority 0; policy drop;
 
 		# accept any localhost traffic
@@ -18,7 +18,7 @@ table inet filter {
 		tcp dport { 22, 80, 443 } accept
 	}
 
-	chain forward {
+	chain FORWARD {
 		type filter hook forward priority 0; policy drop;
 		ct state { established, related } accept;
 
@@ -27,7 +27,7 @@ table inet filter {
 }
 
 table ip filter {
-	chain DOCKER {
+	chain DOCKER-USER {
 		mark set 1
 	}
 }