diff --git a/src/game/CharacterHandler.cpp b/src/game/CharacterHandler.cpp
index 8880a7b2e..920bc8b76 100644
--- a/src/game/CharacterHandler.cpp
+++ b/src/game/CharacterHandler.cpp
@@ -453,6 +453,12 @@ void WorldSession::HandlePlayerLoginOpcode( WorldPacket & recv_data )
 {
     CHECK_PACKET_SIZE(recv_data,8);
 
+    if(PlayerLoading() || GetPlayer() != NULL)
+    {
+        sLog.outError("Player tryes to login again, AccountId = %d",GetAccountId());
+        return;
+    }
+
     m_playerLoading = true;
     uint64 playerGuid = 0;
 
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 747b67a5e..372a42dfa 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "6903"
+ #define REVISION_NR "6904"
 #endif // __REVISION_NR_H__