diff --git a/examples/dummy/output/export.json b/examples/dummy/output/export.json
index 47a574d..e3735f8 100644
--- a/examples/dummy/output/export.json
+++ b/examples/dummy/output/export.json
@@ -1,6 +1,6 @@
 {
-  "build-date": "2017-05-02T11:50:25.063291628+02:00",
-  "build-hostname": "manfred-spacegray.local",
+  "build-date": "2017-05-19T20:09:45.954357761+02:00",
+  "build-hostname": "manfred-spacegray.aircard",
   "build-user": "moul",
   "pwd": "/Users/moul/Git/moul/protoc-gen-gotemplate/examples/dummy",
   "debug": false,
@@ -839,5 +839,6 @@
         "options": {}
       }
     ]
-  }
+  },
+  "enum": null
 }
\ No newline at end of file
diff --git a/examples/sitemap/sitemap.xml b/examples/sitemap/sitemap.xml
index 2a7a647..9c6bc27 100644
--- a/examples/sitemap/sitemap.xml
+++ b/examples/sitemap/sitemap.xml
@@ -4,18 +4,18 @@
     <loc>/posts</loc>
     <priority>0.5</priority>
     <changefreq>monthly</changefreq>
-    <lastmod>2017-03-31</lastmod>
+    <lastmod>2017-05-19</lastmod>
   </url>
   <url>
     <loc>/authors</loc>
     <priority>0.5</priority>
     <changefreq>monthly</changefreq>
-    <lastmod>2017-03-31</lastmod>
+    <lastmod>2017-05-19</lastmod>
   </url>
   <url>
     <loc>/comments</loc>
     <priority>0.5</priority>
     <changefreq>monthly</changefreq>
-    <lastmod>2017-03-31</lastmod>
+    <lastmod>2017-05-19</lastmod>
   </url>
 </urlset>
diff --git a/helpers/helpers.go b/helpers/helpers.go
index d25194f..a83f9e7 100644
--- a/helpers/helpers.go
+++ b/helpers/helpers.go
@@ -338,7 +338,7 @@ func httpVerb(m *descriptor.MethodDescriptorProto) string {
 	}
 }
 
-func urlHasVarsFromMessage(path string, d *descriptor.DescriptorProto) bool {
+func urlHasVarsFromMessage(path string, d *ggdescriptor.Message) bool {
 	for _, field := range d.Field {
 		if !isFieldMessage(field) {
 			if strings.Contains(path, fmt.Sprintf("{%s}", *field.Name)) {