diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/privateserver/PrivateServerPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/privateserver/PrivateServerPlugin.java
index 44ac0b6b17..ca074fd523 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/privateserver/PrivateServerPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/privateserver/PrivateServerPlugin.java
@@ -104,7 +104,7 @@ public class PrivateServerPlugin extends Plugin
 
 		if (event.getGroup().equals("privateserver") && event.getKey().equals("codebase"))
 		{
-			StringFileUtils.writeStringToFile("./codebase", config.codebase());
+			StringFileUtils.writeStringToFile(RuneLite.RUNELITE_DIR + "/codebase", config.codebase());
 			String message = "Client restart required after codebase change\n";
 			JOptionPane.showMessageDialog(new JFrame(), message, "Restart required",
 				JOptionPane.WARNING_MESSAGE);
diff --git a/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java b/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java
index 75ea44f103..39e2448a89 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java
@@ -33,6 +33,7 @@ import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import net.runelite.api.Client;
 import net.runelite.api.Constants;
+import net.runelite.client.RuneLite;
 import net.runelite.client.util.StringFileUtils;
 
 final class ClientPanel extends JPanel
@@ -63,7 +64,7 @@ final class ClientPanel extends JPanel
 				+ "Please restart client.\n";
 			JOptionPane.showMessageDialog(new JFrame(), message, "Bad Codebase",
 				JOptionPane.ERROR_MESSAGE);
-			StringFileUtils.writeStringToFile("./codebase", "http://oldschool17.runescape.com/");
+			StringFileUtils.writeStringToFile(RuneLite.RUNELITE_DIR + "/codebase", "http://127.0.0.1/");
 			System.exit(0);
 		}
 		client.start();