diff --git a/client/firewall/nftables/router_linux.go b/client/firewall/nftables/router_linux.go
index d3e031c5f..c79f9b8c2 100644
--- a/client/firewall/nftables/router_linux.go
+++ b/client/firewall/nftables/router_linux.go
@@ -763,7 +763,7 @@ func (r *router) addNatRule(pair firewall.RouterPair) error {
 	exprs = append(exprs, sourceExp...)
 	exprs = append(exprs, destExp...)
 
-	var markValue uint32 = nbnet.PreroutingFwmarkMasquerade
+	markValue := nbnet.PreroutingFwmarkMasquerade
 	if pair.Inverse {
 		markValue = nbnet.PreroutingFwmarkMasqueradeReturn
 	}