diff --git a/news.d/47.2/fixed-call-style-manager-too-early b/news.d/47.2/fixed-call-style-manager-too-early
new file mode 100644
index 0000000..05ffa85
--- /dev/null
+++ b/news.d/47.2/fixed-call-style-manager-too-early
@@ -0,0 +1 @@
+Don't call style manager in application constructor since this is too early. Do it in startup instead. Without this fix, GTK 4.17.0 will terminate the app on startup.
diff --git a/src/application.rs b/src/application.rs
index b1f6449..de5d361 100644
--- a/src/application.rs
+++ b/src/application.rs
@@ -56,27 +56,27 @@ mod imp {
         type ParentType = adw::Application;
     }
 
-    // Overrides GObject vfuncs
     impl ObjectImpl for LpApplication {
         fn constructed(&self) {
             let obj = self.obj();
 
             self.parent_constructed();
 
-            // Force dark theme
-            obj.style_manager()
-                .set_color_scheme(adw::ColorScheme::PreferDark);
-
             // Set up the actions
             obj.setup_actions();
         }
     }
 
-    // Overrides GApplication vfuncs
     impl ApplicationImpl for LpApplication {
         fn startup(&self) {
             log::trace!("Startup");
             self.parent_startup();
+
+            // Force dark theme
+            self.obj()
+                .style_manager()
+                .set_color_scheme(adw::ColorScheme::PreferDark);
+
             LpShyBin::ensure_type();
             gtk::Window::set_default_icon_name(config::APP_ID);
         }