diff --git a/internal/handlers/auth.go b/internal/handlers/auth.go
index 16fa9bf..242f251 100644
--- a/internal/handlers/auth.go
+++ b/internal/handlers/auth.go
@@ -96,6 +96,7 @@ type AdminUpdateUserRequest struct {
 	FirstName string `json:"first_name,omitempty" validate:"omitempty,max=100"`
 	LastName  string `json:"last_name,omitempty" validate:"omitempty,max=100"`
 	Theme     string `json:"theme,omitempty" validate:"omitempty"`
+	Timezone  string `json:"timezone,omitempty" validate:"omitempty"`
 	Role      string `json:"role,omitempty" validate:"omitempty,oneof=user admin"`
 }
 
@@ -572,8 +573,8 @@ func (h *AuthHandler) UpdateProfile(c *echo.Context) error {
 				"error": "Invalid timezone",
 			})
 		}
-		err := h.db.UpdateUserTimezone(ctx, database.UpdateUserTimezoneParams{
-			ID:       pgtype.UUID{Bytes: userUUID, Valid: true},
+		err := h.db.UpdateUserTimezone(c.Request().Context(), database.UpdateUserTimezoneParams{
+			ID:       targetUserUUID,
 			Timezone: pgtype.Text{String: req.Timezone, Valid: true},
 		})
 		if err != nil {