diff --git a/ext/descriptor/index.js b/ext/descriptor/index.js
index 6f230caaa..0b32d022c 100644
--- a/ext/descriptor/index.js
+++ b/ext/descriptor/index.js
@@ -96,6 +96,9 @@ Root.fromDescriptor = function fromDescriptor(descriptor) {
             if (fileDescriptor.extension)
                 for (i = 0; i < fileDescriptor.extension.length; ++i)
                     filePackage.add(Field.fromDescriptor(fileDescriptor.extension[i]));
+            if (fileDescriptor.service)
+                for (i = 0; i < fileDescriptor.service.length; ++i)
+                    filePackage.add(Service.fromDescriptor(fileDescriptor.service[i]));
             var opts = fromDescriptorOptions(fileDescriptor.options, exports.FileOptions);
             if (opts) {
                 var ks = Object.keys(opts);