diff --git a/java/proto.go b/java/proto.go
index 22a3eed..f5c233c 100644
--- a/java/proto.go
+++ b/java/proto.go
@@ -82,6 +82,7 @@
 			typeToPlugin = "javamicro"
 		case "nano":
 			flags.proto.OutTypeFlag = "--javanano_out"
+			typeToPlugin = "javanano"
 		case "lite":
 			flags.proto.OutTypeFlag = "--java_out"
 			flags.proto.OutParams = append(flags.proto.OutParams, "lite")