diff --git a/codegen/templates/templates.go b/codegen/templates/templates.go
index ca8f923c1f3..2358452af27 100644
--- a/codegen/templates/templates.go
+++ b/codegen/templates/templates.go
@@ -459,6 +459,7 @@ var commonInitialisms = map[string]bool{
 	"HTML":  true,
 	"HTTP":  true,
 	"HTTPS": true,
+	"ICMP":  true,
 	"ID":    true,
 	"IP":    true,
 	"JSON":  true,