diff --git a/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java b/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java
index 10b6a8b5e7..937eeeb8ce 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java
@@ -87,7 +87,6 @@ public class ClientUI extends JFrame
 	private JPanel navContainer;
 	private PluginToolbar pluginToolbar;
 	private PluginPanel pluginPanel;
-	private Dimension clientSize;
 
 	@Getter
 	private TitleToolbar titleToolbar;
@@ -388,7 +387,6 @@ public class ClientUI extends JFrame
 		}
 		else
 		{
-			clientSize = this.getSize();
 			if (isInScreenBounds((int) getLocationOnScreen().getX() + getWidth() + PANEL_EXPANDED_WIDTH, (int) getLocationOnScreen().getY()))
 			{
 				this.setSize(getWidth() + PANEL_EXPANDED_WIDTH, getHeight());
@@ -427,7 +425,7 @@ public class ClientUI extends JFrame
 		}
 		else if (getWidth() < Toolkit.getDefaultToolkit().getScreenSize().getWidth())
 		{
-			this.setSize(clientSize);
+			this.setSize(getWidth() - PANEL_EXPANDED_WIDTH, getHeight());
 		}
 
 		pluginPanel = null;