diff --git a/internal/auth/routes.go b/internal/auth/routes.go
index b29a01a..585da09 100644
--- a/internal/auth/routes.go
+++ b/internal/auth/routes.go
@@ -46,10 +46,12 @@ func (h *AuthHandler) getProfile(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	w.Header().Set("Content-Type", "application/json")
+
 	if err := json.NewEncoder(w).Encode(map[string]any{
 		"full_name":       user.FullName,
 		"email":           user.Email,
-		"phoneNumber":     user.PhoneNumber,
+		"phone_number":    user.PhoneNumber,
 		"isAdmin":         user.IsAdmin,
 		"last_login":      user.LastLogin,
 		"profile_picture": user.ProfilePicture.String,