diff --git a/runelite-client/src/main/java/net/runelite/client/game/chatbox/ChatboxTextInput.java b/runelite-client/src/main/java/net/runelite/client/game/chatbox/ChatboxTextInput.java
index a11aad1e1c..89cc771cc4 100644
--- a/runelite-client/src/main/java/net/runelite/client/game/chatbox/ChatboxTextInput.java
+++ b/runelite-client/src/main/java/net/runelite/client/game/chatbox/ChatboxTextInput.java
@@ -753,11 +753,25 @@ public class ChatboxTextInput extends ChatboxInput implements KeyListener, Mouse
 				return;
 			case KeyEvent.VK_LEFT:
 				ev.consume();
-				newPos--;
+				if (cursorStart != cursorEnd)
+				{
+					newPos = cursorStart;
+				}
+				else
+				{
+					newPos--;
+				}
 				break;
 			case KeyEvent.VK_RIGHT:
 				ev.consume();
-				newPos++;
+				if (cursorStart != cursorEnd)
+				{
+					newPos = cursorEnd;
+				}
+				else
+				{
+					newPos++;
+				}
 				break;
 			case KeyEvent.VK_UP:
 				ev.consume();