diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/inventorysetups/InventorySetupPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/inventorysetups/InventorySetupPlugin.java
index c6ccacac8f..fa35f2718e 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/inventorysetups/InventorySetupPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/inventorysetups/InventorySetupPlugin.java
@@ -32,6 +32,7 @@ import java.awt.image.BufferedImage;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.Map;
 import java.util.Objects;
 import javax.inject.Inject;
 import javax.swing.JOptionPane;
@@ -102,7 +103,7 @@ public class InventorySetupPlugin extends Plugin
 
 	private InventorySetupPluginPanel panel;
 
-	private HashMap<String, InventorySetup> inventorySetups;
+	private Map<String, InventorySetup> inventorySetups = new HashMap<>();
 
 	private NavigationButton navButton;
 
@@ -270,7 +271,7 @@ public class InventorySetupPlugin extends Plugin
 		final String json = configManager.getConfiguration(CONFIG_GROUP, CONFIG_KEY);
 		if (json == null || json.isEmpty())
 		{
-			inventorySetups = new HashMap<>();
+			inventorySetups.clear();
 		}
 		else
 		{
@@ -280,7 +281,8 @@ public class InventorySetupPlugin extends Plugin
 			{
 
 			}.getType();
-			inventorySetups = gson.fromJson(json, type);
+			inventorySetups.clear();
+			inventorySetups.putAll(gson.fromJson(json, type));
 		}
 
 		for (final String key : inventorySetups.keySet())