diff --git a/internal/auth/handler.go b/internal/auth/handler.go
index 8794fb80..7928bfce 100644
--- a/internal/auth/handler.go
+++ b/internal/auth/handler.go
@@ -20,7 +20,7 @@ func NewAuthHandler(svc domain.AuthService) *AuthHandler {
 func (h *AuthHandler) Register(r *gin.Engine) {
 	r.GET("/login", h.HandleLoginPage)
 	r.POST("/login", h.HandleLogin)
-	r.GET("/logout", h.HandleLogout)
+	r.POST("/logout", h.HandleLogout)
 	r.POST("/api/auth/login", h.HandleAPILogin)
 }
 
@@ -60,7 +60,7 @@ func (h *AuthHandler) HandleLogout(c *gin.Context) {
 		}
 	}
 
-	c.SetCookie("session_id", "", -1, "/", "", false, true)
+	clearSessionCookie(c)
 	c.Redirect(http.StatusSeeOther, "/login")
 }
 
diff --git a/internal/auth/middleware.go b/internal/auth/middleware.go
index 4599fea7..9090461f 100644
--- a/internal/auth/middleware.go
+++ b/internal/auth/middleware.go
@@ -18,7 +18,7 @@ var publicRoutes = []publicRoute{
 	// Pages.
 	{method: http.MethodGet, path: "/login"},
 	{method: http.MethodPost, path: "/login"},
-	{method: http.MethodGet, path: "/logout"},
+	{method: http.MethodPost, path: "/logout"},
 
 	// Crawler noise.
 	{method: http.MethodGet, path: "/robots.txt"},