diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index f923db94..7d37a810 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -2,5 +2,14 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
 fn main() {
+    // Force the GTK/WebKitGTK backend to use XWayland on Linux. Under native
+    // Wayland (e.g. KWin) the window's input region is not committed until a
+    // resize, leaving the title bar controls unresponsive until the window is
+    // maximized. Only set it when the user hasn't picked a backend themselves.
+    #[cfg(target_os = "linux")]
+    if std::env::var_os("GDK_BACKEND").is_none() {
+        std::env::set_var("GDK_BACKEND", "x11");
+    }
+
     scratch_lib::run()
 }