diff --git a/src/main.rs b/src/main.rs
index 5681a37..6b69c7d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,7 +8,6 @@ use std::cmp::max;
 use std::thread;
 
 use gtk4::gdk::Display;
-use gtk4::gio::File;
 use gtk4::{CssProvider, Settings, gio};
 use relm4::RelmApp;
 
@@ -40,12 +39,11 @@ fn include_app_css() {
 
   gio::resources_register_include!("zoodex.gresource")
     .expect("CSS resource bundle should have valid format");
-  let app_css = File::for_uri("resource:///com/kernelmaft/zoodex/application.css");
 
   let provider = CssProvider::new();
   let display = Display::default().expect("getting the default GDK4 display should never fail");
 
-  provider.load_from_file(&app_css);
+  provider.load_from_resource("/com/kernelmaft/zoodex/application.css");
   gtk4::style_context_add_provider_for_display(
     &display,
     &provider,