diff --git a/example/example.go b/example/example.go
index df31a82..9997b65 100644
--- a/example/example.go
+++ b/example/example.go
@@ -40,8 +40,8 @@ func main() {
     scsusers.Init(db, "test", "Example Test", "nobody@nowhere.com", "localhost:25", true)
     a:=scsusers.UsernameAvailable("testuser")
     fmt.Printf("Initial test of username available: %v\n", a)
-    a=scsusers.Register("testuser", email, "127.0.0.1")
-    fmt.Printf("Register returned %v\n",a)
+    err=scsusers.Register("testuser", email, "127.0.0.1")
+    fmt.Printf("Register returned %v\n",err)
     fmt.Printf("Attempt to log in with invalid username returned %v\n", scsusers.Login("baduser", "badpass"))
     fmt.Printf("Enter code from email:")
     var code string
diff --git a/main.go b/main.go
index d94dae5..ce4838b 100644
--- a/main.go
+++ b/main.go
@@ -79,9 +79,9 @@ func UsernameAvailable(username string) bool {
 
 /* Check for username availability, add to database, send email */
 
-func Register(username, email, ip string) bool {
+func Register(username, email, ip string) error {
 	if !UsernameAvailable(username) {
-		return false
+		return fmt.Errorf("Username %s is not available", username)
 	}
 	username = strings.ToLower(username)
 
@@ -89,17 +89,17 @@ func Register(username, email, ip string) bool {
 	crypt, err := bcrypt.GenerateFromPassword(pass, 10)
 	if err != nil {
 		log.Printf("scsusers.Register: Bcrypt GenerateFromPassword failed? Pass is %s and error is %s\n", pass, err.Error())
-		return false
+		return fmt.Errorf("Failed to generate password")
 	}
 	_, err = c.db.Query(fmt.Sprintf("insert into %s_users (username, password) VALUES (?,?)", c.TablePrefix), username, crypt)
 	if err != nil {
 		log.Printf("scsusers.Register: insert failed: %s\n", err.Error())
-		return false
+		return fmt.Errorf("Failed to insert user")
 	}
 
 	if SendRegistrationEmail(email, username, string(pass)) {
 		log.Printf("scsusers.Register: New user registration: %s from %s\n", username, ip)
-		return true
+		return nil
 	}
 	log.Printf("scsusers.Register: Failed to send registration email, deleting user %s\n", username)
 	q := fmt.Sprintf("delete from %s_users where username = ? AND password=?", c.TablePrefix)
@@ -107,7 +107,7 @@ func Register(username, email, ip string) bool {
 	if err != nil {
 		log.Printf("scsusers.Register: Failed to delete new user %s: %s\n", username, err.Error())
 	}
-	return false
+	return fmt.Errorf("Failed to send registration email")
 }
 
 func NewUser() *UserData {
diff --git a/main_test.go b/main_test.go
index 93a313b..e423504 100644
--- a/main_test.go
+++ b/main_test.go
@@ -40,8 +40,8 @@ func TestUsers(t *testing.T) {
 	Init(db, "test", "Example Test", "nobody@nowhere.com", "localhost:25", true)
 	a := UsernameAvailable("testuser")
 	fmt.Printf("Initial test of username available: %v\n", a)
-	a = Register("testuser", email, "127.0.0.1")
-	fmt.Printf("Register returned %v\n", a)
+	err = Register("testuser", email, "127.0.0.1")
+	fmt.Printf("Register returned %v\n", err)
 	fmt.Printf("Attempt to log in with invalid username returned %v\n", Login("baduser", "badpass"))
 	fmt.Printf("Enter code from email:")
 	var code string