diff --git a/service/user.go b/service/user.go
index 5390bb6..ab0f1ea 100644
--- a/service/user.go
+++ b/service/user.go
@@ -2,6 +2,7 @@ package service
 
 import (
 	"errors"
+	"log/slog"
 	"time"
 
 	"forge.capytal.company/capytalcode/project-comicverse/model"
@@ -13,7 +14,9 @@ import (
 
 type User struct {
 	repo *repository.User
+
 	assert tinyssert.Assertions
+	log    *slog.Logger
 }
 
 func NewUser(repo *repository.User, logger *slog.Logger, assert tinyssert.Assertions) *User {
@@ -25,6 +28,11 @@ func NewUser(repo *repository.User, logger *slog.Logger, assert tinyssert.Assert
 
 func (svc *User) Register(username, password string) (model.User, error) {
 	svc.assert.NotNil(svc.repo)
+	svc.assert.NotNil(svc.log)
+
+	log := svc.log.With(slog.String("username", username))
+	log.Info("Registering user")
+	defer log.Info("Finished registering user")
 
 	if _, err := svc.repo.GetByUsername(username); err == nil {
 		return model.User{}, ErrAlreadyExists
@@ -60,6 +68,11 @@ func (svc *User) Register(username, password string) (model.User, error) {
 
 func (svc *User) Login(username, password string) (user model.User, err error) {
 	svc.assert.NotNil(svc.repo)
+	svc.assert.NotNil(svc.log)
+
+	log := svc.log.With(slog.String("username", username))
+	log.Info("Logging in user")
+	defer log.Info("Finished logging in user")
 
 	user, err = svc.repo.GetByUsername(username)
 	if err != nil {