diff --git a/apps/desktop/src/main.ts b/apps/desktop/src/main.ts
index 022215da29..9106f52f2b 100644
--- a/apps/desktop/src/main.ts
+++ b/apps/desktop/src/main.ts
@@ -129,7 +129,7 @@ const AUTO_UPDATE_POLL_INTERVAL_MS = 4 * 60 * 60 * 1000;
 const DESKTOP_LOOPBACK_HOST = "127.0.0.1";
 const DESKTOP_REQUIRED_PORT_PROBE_HOSTS = ["0.0.0.0", "::"] as const;
 const TITLEBAR_HEIGHT = 40;
-const TITLEBAR_COLOR = "#01000000"; // #00000000 does not work correctly on Linux
+const TITLEBAR_COLOR = "rgba(1,0,0,0)"; // rgba(0,0,0,0) does not work correctly on Linux (falls back to default color)
 const TITLEBAR_LIGHT_SYMBOL_COLOR = "#1f2937";
 const TITLEBAR_DARK_SYMBOL_COLOR = "#f8fafc";