diff --git a/app/ui.js b/app/ui.js
index 0148a440..5305d19b 100644
--- a/app/ui.js
+++ b/app/ui.js
@@ -1507,7 +1507,7 @@ const UI = {
     },
 
     sendTab() {
-        UI.rfb.sendKey(KeyTable.XK_Tab);
+        UI.rfb.sendKey(KeyTable.XK_Tab, "Tab");
     },
 
     toggleCtrl() {