diff --git a/src/main/java/net/minecraft/world/WorldServer.java b/src/main/java/net/minecraft/world/WorldServer.java
index a123a38..1fee14b 100644
--- a/src/main/java/net/minecraft/world/WorldServer.java
+++ b/src/main/java/net/minecraft/world/WorldServer.java
@@ -992,6 +992,8 @@
 	public void checkSessionLock() throws MinecraftException
 	{
 		//Removes world lock checking on server
+		if(!isServer)
+			super.checkSessionLock();
 	}
 	
 	@Override