diff --git a/src/de/steamwar/bungeecore/listeners/mods/Fabric.java b/src/de/steamwar/bungeecore/listeners/mods/Fabric.java
index 10ecd9f..ea1e2f9 100644
--- a/src/de/steamwar/bungeecore/listeners/mods/Fabric.java
+++ b/src/de/steamwar/bungeecore/listeners/mods/Fabric.java
@@ -48,7 +48,7 @@ public class Fabric extends BasicListener {
 
     private final Set<String> neededMods = new HashSet<>();
 
-    private static final Map<ProxiedPlayer, Integer> checkedPlayers = new HashMap<>();
+    public static final Map<ProxiedPlayer, Integer> checkedPlayers = new HashMap<>();
     private static final Map<ProxiedPlayer, Long> expectPluginMessage = new HashMap<>();
 
     {
diff --git a/src/de/steamwar/bungeecore/listeners/mods/ModLoaderBlocker.java b/src/de/steamwar/bungeecore/listeners/mods/ModLoaderBlocker.java
index 286ab01..9965c3e 100644
--- a/src/de/steamwar/bungeecore/listeners/mods/ModLoaderBlocker.java
+++ b/src/de/steamwar/bungeecore/listeners/mods/ModLoaderBlocker.java
@@ -46,12 +46,16 @@ public class ModLoaderBlocker extends BasicListener {
 
         if(new String(e.getData()).contains("fabric")){
             ProxiedPlayer p = (ProxiedPlayer) sender;
-            Storage.fabricPlayers.add(p);
-            Message.send("MODLOADER_INSTALLED", p, "Fabric");
+            if (!Fabric.checkedPlayers.containsKey(p) && !Storage.fabricPlayers.contains(p)) {
+                Storage.fabricPlayers.add(p);
+                Message.send("MODLOADER_INSTALLED_FABRIC", p, "Fabric");
+            }
         }else if(new String(e.getData()).contains("LiteLoader")) {
             ProxiedPlayer p = (ProxiedPlayer) sender;
-            Storage.fabricPlayers.add(p);
-            Message.send("MODLOADER_INSTALLED", p, "LiteLoader");
+            if (!Storage.fabricPlayers.contains(p)) {
+                Storage.fabricPlayers.add(p);
+                Message.send("MODLOADER_INSTALLED", p, "LiteLoader");
+            }
         }
     }
 
diff --git a/src/de/steamwar/messages/BungeeCore.properties b/src/de/steamwar/messages/BungeeCore.properties
index 8542153..e985aaa 100644
--- a/src/de/steamwar/messages/BungeeCore.properties
+++ b/src/de/steamwar/messages/BungeeCore.properties
@@ -14,6 +14,7 @@ DEV_UNKNOWN_SERVER=§cBitte gib einen DevServer an.
 
 #ModLoader blocker
 MODLOADER_INSTALLED=§7Du hast §e{0} §7installiert. Daher kannst du keinen Arenen beitreten.
+MODLOADER_INSTALLED_FABRIC=§7Du hast §e{0} §7installiert. Mit dem SteamWarModSender kannst du Arenen beitreten.
 MODLOADER_DENIED=§cMit Fabric, Forge und LiteLoader kannst du keinen Arenen beitreten.
 
 #Help command