diff --git a/kubernetes-rbac-synchroniser.go b/kubernetes-rbac-synchroniser.go
index a66485a..d9ae83b 100644
--- a/kubernetes-rbac-synchroniser.go
+++ b/kubernetes-rbac-synchroniser.go
@@ -280,15 +280,18 @@ func getMembers(service *admin.Service, email string) ([]*admin.Member, error) {
 // Returns:
 //    Admin SDK member list.
 func uniq(list []*admin.Member) []*admin.Member {
-	uniqueSet := make(map[*admin.Member]bool, len(list))
-	for _, x := range list {
-		uniqueSet[x] = true
-	}
-	result := make([]*admin.Member, 0, len(uniqueSet))
-	for x := range uniqueSet {
-		result = append(result, x)
+	var uniqSet []*admin.Member
+loop:
+	for _, l := range list {
+		for _, x := range uniqSet {
+			if l.Email == x.Email {
+				continue loop
+			}
+		}
+		uniqSet = append(uniqSet, l)
 	}
-	return result
+
+	return uniqSet
 }
 
 // Build and returns a fake Admin members object.
diff --git a/kubernetes-rbac-synchroniser_test.go b/kubernetes-rbac-synchroniser_test.go
index e35bffc..218e1af 100644
--- a/kubernetes-rbac-synchroniser_test.go
+++ b/kubernetes-rbac-synchroniser_test.go
@@ -30,4 +30,13 @@ func TestUniq(t *testing.T) {
 	if list2Length != 3 {
 		t.Errorf("Uniq was incorrect, got: %d, want: %d.", list2Length, 3)
 	}
+	if uniqUserList2[0].Email != member1.Email {
+		t.Errorf("Uniq sort was incorrect, got: %q, want: %q.", uniqUserList2[0].Email, member1.Email)
+	}
+	if uniqUserList2[1].Email != member2.Email {
+		t.Errorf("Uniq sort was incorrect, got: %q, want: %q.", uniqUserList2[1].Email, member2.Email)
+	}
+	if uniqUserList2[2].Email != member3.Email {
+		t.Errorf("Uniq sort was incorrect, got: %q, want: %q.", uniqUserList2[2].Email, member3.Email)
+	}
 }