diff --git a/firewall_rules.go b/firewall_rules.go
index 7dfc952ce..0939d0209 100644
--- a/firewall_rules.go
+++ b/firewall_rules.go
@@ -7,7 +7,7 @@ type NetworkProtocol string
 const (
 	TCP  NetworkProtocol = "TCP"
 	UDP  NetworkProtocol = "UDP"
-	ICMP NetworkProtocol = "ALL"
+	ICMP NetworkProtocol = "ICMP"
 )
 
 // NetworkAddresses are arrays of ipv4 and v6 addresses