diff --git a/app/src/processing/app/syntax/SketchTextAreaDefaultInputMap.java b/app/src/processing/app/syntax/SketchTextAreaDefaultInputMap.java
index 38a69f6d9..d558c98f4 100644
--- a/app/src/processing/app/syntax/SketchTextAreaDefaultInputMap.java
+++ b/app/src/processing/app/syntax/SketchTextAreaDefaultInputMap.java
@@ -46,6 +46,9 @@ public class SketchTextAreaDefaultInputMap extends RSyntaxTextAreaDefaultInputMa
 
       put(KeyStroke.getKeyStroke(KeyEvent.VK_OPEN_BRACKET, defaultModifier), DefaultEditorKit.insertTabAction);
       put(KeyStroke.getKeyStroke(KeyEvent.VK_CLOSE_BRACKET, defaultModifier), RSyntaxTextAreaEditorKit.rstaDecreaseIndentAction);
+
+      put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, defaultModifier | shift), DefaultEditorKit.selectionBeginAction);
+      put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, defaultModifier | shift), DefaultEditorKit.selectionEndAction);
     }
 
     put(KeyStroke.getKeyStroke(KeyEvent.VK_DIVIDE, defaultModifier), RSyntaxTextAreaEditorKit.rstaToggleCommentAction);