diff --git a/eco-api/src/main/java/com/willfp/eco/core/EcoPlugin.java b/eco-api/src/main/java/com/willfp/eco/core/EcoPlugin.java
index ede5d5bc..43e49e82 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/EcoPlugin.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/EcoPlugin.java
@@ -357,15 +357,18 @@ public abstract class EcoPlugin extends JavaPlugin {
             Eco.getHandler().registerBStats(this);
         }
 
-        Set<String> enabledPlugins = Arrays.stream(Bukkit.getPluginManager().getPlugins()).map(Plugin::getName).collect(Collectors.toSet());
+        Set<String> enabledPlugins = Arrays.stream(Bukkit.getPluginManager().getPlugins())
+                .map(Plugin::getName)
+                .map(String::toLowerCase)
+                .collect(Collectors.toSet());
 
-        if (enabledPlugins.contains("PlaceholderAPI")) {
+        if (enabledPlugins.contains("PlaceholderAPI".toLowerCase())) {
             this.loadedIntegrations.add("PlaceholderAPI");
             PlaceholderManager.addIntegration(Eco.getHandler().createPAPIIntegration(this));
         }
 
         this.loadIntegrationLoaders().forEach((integrationLoader -> {
-            if (enabledPlugins.contains(integrationLoader.getPluginName())) {
+            if (enabledPlugins.contains(integrationLoader.getPluginName().toLowerCase())) {
                 this.loadedIntegrations.add(integrationLoader.getPluginName());
                 integrationLoader.load();
             }
diff --git a/eco-api/src/main/java/com/willfp/eco/core/integrations/shop/ShopWrapper.java b/eco-api/src/main/java/com/willfp/eco/core/integrations/shop/ShopWrapper.java
index 6a37799c..310380e7 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/integrations/shop/ShopWrapper.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/integrations/shop/ShopWrapper.java
@@ -1,9 +1,11 @@
 package com.willfp.eco.core.integrations.shop;
 
+import com.willfp.eco.core.integrations.Integration;
+
 /**
  * Wrapper class for shop integrations.
  */
-public interface ShopWrapper {
+public interface ShopWrapper extends Integration {
     /**
      * Register eco item provider for shop plugins.
      */
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/EcoSpigotPlugin.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/EcoSpigotPlugin.kt
index 9265e956..54f70783 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/EcoSpigotPlugin.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/EcoSpigotPlugin.kt
@@ -89,6 +89,7 @@ abstract class EcoSpigotPlugin : EcoPlugin(
 
     override fun handleAfterLoad() {
         CustomItemsManager.registerAllItems()
+        ShopManager.registerEcoProvider()
     }
 
     override fun loadIntegrationLoaders(): List<IntegrationLoader> {
@@ -124,7 +125,7 @@ abstract class EcoSpigotPlugin : EcoPlugin(
             IntegrationLoader("ItemsAdder") { CustomItemsManager.register(CustomItemsItemsAdder(this)) },
 
             // Shop
-            IntegrationLoader("ShopGuiPlus") { ShopManager.register(ShopShopGuiPlus()) },
+            IntegrationLoader("ShopGUIPlus") { ShopManager.register(ShopShopGuiPlus()) },
 
             // Misc
             IntegrationLoader("mcMMO") { McmmoManager.register(McmmoIntegrationImpl()) }
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/integrations/shop/ShopShopGuiPlus.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/integrations/shop/ShopShopGuiPlus.kt
index 52aad4cd..0da98d8f 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/integrations/shop/ShopShopGuiPlus.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/integrations/shop/ShopShopGuiPlus.kt
@@ -28,4 +28,8 @@ class ShopShopGuiPlus : ShopWrapper {
             return Items.getCustomItem(itemStack1)?.key == Items.getCustomItem(itemStack2)?.key
         }
     }
+
+    override fun getPluginName(): String {
+        return "ShopGUIPlus"
+    }
 }
\ No newline at end of file
diff --git a/eco-core/core-plugin/src/main/resources/plugin.yml b/eco-core/core-plugin/src/main/resources/plugin.yml
index 16db5d9c..dc030099 100644
--- a/eco-core/core-plugin/src/main/resources/plugin.yml
+++ b/eco-core/core-plugin/src/main/resources/plugin.yml
@@ -21,7 +21,7 @@ softdepend:
   - PlaceholderAPI
   - mcMMO
   - CombatLogX
-  - ShopGuiPlus
+  - ShopGUIPlus
   - ItemsAdder
   - Oraxen
   - HeadDatabase
diff --git a/gradle.properties b/gradle.properties
index 82dd60f7..94f7921b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
-version = 6.7.3
+version = 6.7.4
 plugin-name = eco
\ No newline at end of file