diff --git a/package.json b/package.json
index 8acb0226..4dbad523 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-keyboard",
-  "version": "2.5.5",
+  "version": "2.5.6",
   "description": "On-screen Javascript Virtual Keyboard",
   "main": "build/index.js",
   "scripts": {
diff --git a/src/lib/services/PhysicalKeyboard.js b/src/lib/services/PhysicalKeyboard.js
index bbeaca9b..74af41a5 100644
--- a/src/lib/services/PhysicalKeyboard.js
+++ b/src/lib/services/PhysicalKeyboard.js
@@ -54,7 +54,10 @@ class PhysicalKeyboard {
       event.code.includes("Numpad") ||
       event.code.includes("Shift") ||
       event.code.includes("Space") ||
-      event.code.includes("Backspace")
+      event.code.includes("Backspace") ||
+      event.code.includes("Control") ||
+      event.code.includes("Alt") ||
+      event.code.includes("Meta")
     ){
       output = event.code;
     } else {