diff --git a/util/protogen/main.go b/util/protogen/main.go
index 1a287ba..0f2a7ca 100644
--- a/util/protogen/main.go
+++ b/util/protogen/main.go
@@ -229,7 +229,8 @@ type marshalerDesc struct {
 var marshalers = map[protoreflect.Kind]marshalerDesc{
 	protoreflect.BoolKind: {Prefix: "Bool"},
 	protoreflect.EnumKind: {Prefix: "Enum"},
-	// protoreflect.Int32Kind:    "",
+
+	protoreflect.Int32Kind: {Prefix: "Int32", RepeatedDouble: true},
 	// protoreflect.Sint32Kind:   "",
 	protoreflect.Uint32Kind: {Prefix: "UInt32", RepeatedDouble: true},
 	protoreflect.Int64Kind:  {Prefix: "Int64", RepeatedDouble: true},