diff --git a/app/src/processing/app/EditorListener.java b/app/src/processing/app/EditorListener.java
index 12806b4ce..af0a106b5 100644
--- a/app/src/processing/app/EditorListener.java
+++ b/app/src/processing/app/EditorListener.java
@@ -128,6 +128,12 @@ public class EditorListener {
         event.consume();  // does nothing
         return false;
       }
+
+      // The char is not control code when CTRL key pressed? It should be a shortcut.
+      if (c >= ' ') {
+        event.consume();
+        return true;
+      }
     }
 
     if ((event.getModifiers() & KeyEvent.META_MASK) != 0) {
@@ -480,8 +486,8 @@ public class EditorListener {
     char c = event.getKeyChar();
 
     if ((event.getModifiers() & KeyEvent.CTRL_MASK) != 0) {
-      // on linux, ctrl-comma (prefs) being passed through to the editor
-      if (c == KeyEvent.VK_COMMA) {
+      // The char is not control code when CTRL key pressed? It should be a shortcut.
+      if (c >= ' ') {
         event.consume();
         return true;
       }