diff --git a/mock-ec2-metadata-config.json b/mock-ec2-metadata-config.json
index c160c5b..2634986 100644
--- a/mock-ec2-metadata-config.json
+++ b/mock-ec2-metadata-config.json
@@ -17,8 +17,8 @@
         "mac": "00:00:00:00:00:00",
         "profile": "mock-profile",
         "reservation-id":"mock-reservation-id",
+        "user" : "mock-user",
         "security-credentials": {
-            "user": "mock-user",
             "AccessKeyId" : "mock-access-key",
             "SecretAccessKey" : "mock-secret-key",
             "Token": "mock-token",
diff --git a/service.go b/service.go
index 33ea694..f81a7e5 100644
--- a/service.go
+++ b/service.go
@@ -11,7 +11,6 @@ import (
 
 type (
 	SecurityCredentials struct {
-		User            string `json:"User"`
 		AccessKeyId     string `json:"AccessKeyId"`
 		SecretAccessKey string `json:"SecretAccessKey"`
 		Token           string `json:"Token"`
@@ -33,6 +32,7 @@ type (
 		Mac                 string              `json:"mac"`
 		Profile             string              `json:"profile"`
 		ReservationId       string              `json:"reservation-id"`
+		User                string              `json:"User"`
 		SecurityGroups      []string            `json:"security-groups"`
 		SecurityCredentials SecurityCredentials `json:"security-credentials"`
 	}
@@ -129,7 +129,7 @@ func (s *MetadataService) GetReservationId(w http.ResponseWriter, r *http.Reques
 }
 
 func (s *MetadataService) GetSecurityCredentials(w http.ResponseWriter, r *http.Request) {
-	fmt.Fprintf(w, s.config.MetadataValues.SecurityCredentials.User)
+	fmt.Fprintf(w, s.config.MetadataValues.User)
 }
 
 func (s *MetadataService) GetSecurityGroups(w http.ResponseWriter, r *http.Request) {
@@ -139,7 +139,7 @@ func (s *MetadataService) GetSecurityGroups(w http.ResponseWriter, r *http.Reque
 func (s *MetadataService) GetSecurityCredentialDetails(w http.ResponseWriter, r *http.Request) {
 	username := server.Vars(r)["username"]
 
-	if username != s.config.MetadataValues.SecurityCredentials.User {
+	if username != s.config.MetadataValues.User {
 		server.Log.Error("error, IAM user not found")
 		http.Error(w, "", http.StatusNotFound)
 		return
diff --git a/version.go b/version.go
index 424ec0f..18dd1f5 100644
--- a/version.go
+++ b/version.go
@@ -4,7 +4,7 @@ package metadata
 var GitCommit string
 
 // The main version number that is being run at the moment.
-const Version = "0.4.0"
+const Version = "0.4.1"
 
 // A pre-release marker for the version. If this is "" (empty string)
 // then it means that it is a final release. Otherwise, this is a pre-release