diff --git a/src/main/java/jace/core/Keyboard.java b/src/main/java/jace/core/Keyboard.java
index 06eeb15..3d52c4d 100644
--- a/src/main/java/jace/core/Keyboard.java
+++ b/src/main/java/jace/core/Keyboard.java
@@ -253,6 +253,10 @@ public class Keyboard implements Reconfigurable {
         }
 
         if (e.isControlDown()) {
+            if (c == 255) {
+                return;
+            }
+            System.out.println("Ctrl: "+(c&0x01f));
             c = (char) (c & 0x01f);
         }