diff --git a/buildkite/builds.go b/buildkite/builds.go
index 65d7c042..cbe80062 100644
--- a/buildkite/builds.go
+++ b/buildkite/builds.go
@@ -16,8 +16,9 @@ type BuildsService struct {
 
 // Author of a commit (used in CreateBuild)
 type Author struct {
-	Name  string `json:"name,omitempty" yaml:"name,omitempty"`
-	Email string `json:"email,omitempty" yaml:"email,omitempty"`
+	Username string `json:"username,omitempty" yaml:"username,omitempty"`
+	Name     string `json:"name,omitempty" yaml:"name,omitempty"`
+	Email    string `json:"email,omitempty" yaml:"email,omitempty"`
 }
 
 // CreateBuild - Create a build.
diff --git a/buildkite/builds_test.go b/buildkite/builds_test.go
index 9420a3d0..87fe1380 100644
--- a/buildkite/builds_test.go
+++ b/buildkite/builds_test.go
@@ -336,6 +336,11 @@ func TestBuildsUnmarshalWebhook(t *testing.T) {
     "branch": "master",
     "tag": null,
     "source": "ui",
+    "author": {
+		"username": "foojim",
+		"name": "Uhh, Jim",
+		"email": "slam@space.jam"
+	  },	
     "creator": {
       "id": "foo",
       "name": "Uhh, Jim",