diff --git a/firewall.go b/firewall.go
index c7568b8..65be7dd 100755
--- a/firewall.go
+++ b/firewall.go
@@ -270,7 +270,7 @@ func FirewallRuleGet(name string) (FWRule, error) {
 
 // FirewallRulesGet returns all rules defined in firewall.
 func FirewallRulesGet() ([]FWRule, error) {
-	rules := make([]FWRule, 1000)
+	rules := make([]FWRule, 0, 1024)
 
 	u, fwPolicy, err := firewallAPIInit()
 	if err != nil {