diff --git a/src/ui/index.tis b/src/ui/index.tis
index ae965ddf9..27a9852b3 100644
--- a/src/ui/index.tis
+++ b/src/ui/index.tis
@@ -673,7 +673,8 @@ function formatId(id) {
 event keydown (evt) {
     if (!evt.shortcutKey) {
         if (evt.keyCode == Event.VK_ENTER ||
-            (view.mediaVar("platform") == "OSX" && evt.keyCode == 0x4C)) {
+            (is_osx && evt.keyCode == 0x4C) ||
+            (is_linux && evt.keyCode == 65421)) {
             var el = $(button#connect);
             view.focus = el;
             el.sendEvent("click");
diff --git a/src/ui/msgbox.tis b/src/ui/msgbox.tis
index 144530dc5..447e657f8 100644
--- a/src/ui/msgbox.tis
+++ b/src/ui/msgbox.tis
@@ -230,7 +230,8 @@ event click $(button#submit) {
 event keydown (evt) {
     if (!evt.shortcutKey) {
         if (evt.keyCode == Event.VK_ENTER || 
-            (view.mediaVar("platform") == "OSX" && evt.keyCode == 0x4C)) {
+            (is_osx && evt.keyCode == 0x4C) ||
+            (is_linux && evt.keyCode == 65421)) {
             submit();
         }
         if (evt.keyCode == Event.VK_ESCAPE) {