diff --git a/database.go b/database.go
index 48965b8..ab58a8f 100644
--- a/database.go
+++ b/database.go
@@ -22,7 +22,7 @@ func InitDatabase(ctx context.Context) {
 		    id SERIAL PRIMARY KEY,
 		    name VARCHAR(20) UNIQUE NOT NULL,
 		    pass_hash VARCHAR(60) NOT NULL,
-		    color VARCHAR(3) NOT NULL
+		    color VARCHAR(3) DEFAULT NULL,
 		);
 		CREATE TABLE IF NOT EXISTS chat_groups (
 		    id SERIAL PRIMARY KEY,
@@ -108,7 +108,6 @@ func GetUserDataByName(ctx context.Context, name string) (User, error) {
 }
 
 func CreateChatGroupWithoutMembers(ctx context.Context, group *ChatGroup) (uint32, error) {
-
 	if len(group.Name) < 1 {
 		return 0, errors.New("group name too short")
 	}
diff --git a/http.go b/http.go
index ec6f774..af0af2f 100644
--- a/http.go
+++ b/http.go
@@ -41,7 +41,11 @@ func RegisterHandler(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 
-	if _, err := AddNewUser(ctx, &User{username, password, "xxx", 0, false}); err != nil {
+	if _, err := AddNewUser(ctx, &User{
+		Name:             username,
+		Password:         password,
+		IsPasswordHashed: false,
+	}); err != nil {
 		http.Error(response, "internal server error", http.StatusInternalServerError)
 		log.Fatal(err)
 		return
diff --git a/wsServer.go b/wsServer.go
index 225ae9b..4a59014 100644
--- a/wsServer.go
+++ b/wsServer.go
@@ -90,6 +90,10 @@ func sendToAllExceptAndCloseIfFails(client *Client, message map[string]any) {
 	}
 }
 
+func sendToGroup() {
+
+}
+
 func handleUnauthenticatedMessage(client *Client, msg map[string]any) {
 	token := msg["token"].(string)
 	user, err := GetUserFromToken(token)