diff --git a/cmd/server/handlers_pages.go b/cmd/server/handlers_pages.go
index 4e43f75..338cb71 100644
--- a/cmd/server/handlers_pages.go
+++ b/cmd/server/handlers_pages.go
@@ -11,6 +11,7 @@ func (a *App) renderTemplate(w http.ResponseWriter, path string, data any) {
 		http.Error(w, "template parse failed", http.StatusInternalServerError)
 		return
 	}
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
 	if err := tmpl.Execute(w, data); err != nil {
 		http.Error(w, "template render failed", http.StatusInternalServerError)
 	}