diff -ruN src.orig/background.ts src/background.ts
--- src.orig/background.ts	2020-07-24 23:58:34.807250446 -0700
+++ src/background.ts	2020-07-25 00:25:38.181525664 -0700
@@ -221,6 +221,12 @@
             }
           }
 
+	  if (IS_LINUX) {
+            if (!mainWindow.isFocused()) {
+              mainWindow.flashFrame(true);
+	    }
+	  }
+
           trayManager?.toggleOverlay(true);
 
           customNotification.once("click", () => {