diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/websocket/json/update/UpdateResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/websocket/json/update/UpdateResponse.java
index b5b0655b..39f95004 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/websocket/json/update/UpdateResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/websocket/json/update/UpdateResponse.java
@@ -3,7 +3,9 @@
 import io.netty.channel.ChannelHandlerContext;
 import ru.gravit.launcher.events.request.ErrorRequestEvent;
 import ru.gravit.launcher.events.request.UpdateRequestEvent;
+import ru.gravit.launcher.hasher.HashedDir;
 import ru.gravit.launcher.profiles.ClientProfile;
+import ru.gravit.launcher.serialize.signed.SignedObjectHolder;
 import ru.gravit.launchserver.LaunchServer;
 import ru.gravit.launchserver.socket.Client;
 import ru.gravit.launchserver.websocket.WebSocketService;
@@ -32,6 +34,12 @@ public void execute(WebSocketService service, ChannelHandlerContext ctx, Client
                 }
             }
         }
-        service.sendObject(ctx, new UpdateRequestEvent(LaunchServer.server.updatesDirMap.get(dirName).object, LaunchServer.server.config.netty.downloadURL.replace("%dirname%",dirName)));
+        SignedObjectHolder<HashedDir> dir = LaunchServer.server.updatesDirMap.get(dirName);
+        if(dir == null)
+        {
+            service.sendObject(ctx, new ErrorRequestEvent(String.format("Directory %s not found", dirName)));
+            return;
+        }
+        service.sendObject(ctx, new UpdateRequestEvent(dir.object, LaunchServer.server.config.netty.downloadURL.replace("%dirname%",dirName)));
     }
 }
diff --git a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
index 9d82a488..e4af2c51 100644
--- a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
+++ b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
@@ -22,7 +22,7 @@
 
 -keeppackagenames com.mojang.**,net.minecraftforge.fml.**,cpw.mods.fml.**,oshi.**,com.sun.jna.**,com.google.gson.**
 
--keep class com.mojang.**,net.minecraftforge.fml.**,cpw.mods.fml.**,oshi.**,com.sun.jna.**,com.google.gson.**,org.slf4j.**,oshi.jna.**,com.sun.jna.** {
+-keep class com.mojang.**,net.minecraftforge.fml.**,cpw.mods.fml.**,oshi.**,com.sun.jna.**,com.google.gson.**,org.slf4j.**,oshi.jna.**,com.sun.jna.**,org.apache.commons.logging.** {
     *;
 }