diff --git a/projects/mtg/include/DeckManager.h b/projects/mtg/include/DeckManager.h
index dc1f6fc38..ef00ea99b 100644
--- a/projects/mtg/include/DeckManager.h
+++ b/projects/mtg/include/DeckManager.h
@@ -7,8 +7,13 @@ using namespace std;
 
 class DeckManager
 {
-protected: 
-    static DeckManager * mInstance;
+private:
+    static bool instanceFlag;
+    static DeckManager *mInstance;
+    DeckManager()
+    {
+        //private constructor
+    }
 
 public:
     
@@ -23,6 +28,10 @@ public:
     static DeckManager * GetInstance();
     static void EndInstance();
 
-    DeckManager();
-    ~DeckManager();
+   
+    ~DeckManager()
+    {
+        instanceFlag = false;
+    }
+
 };
diff --git a/projects/mtg/src/DeckManager.cpp b/projects/mtg/src/DeckManager.cpp
index 4b0eb60a2..723feb7c7 100644
--- a/projects/mtg/src/DeckManager.cpp
+++ b/projects/mtg/src/DeckManager.cpp
@@ -1,21 +1,13 @@
 #include "../include/DeckManager.h"
 #include <JRenderer.h>
 
-DeckManager::DeckManager()
-{
-}
-
-DeckManager::~DeckManager()
-{
-}
-
 void DeckManager::updateMetaDataList( vector<DeckMetaData *> * refList, bool isAI )
 {
   if (refList)
   {
     vector<DeckMetaData *> * inputList = isAI? &aiDeckOrderList : &playerDeckOrderList;
     inputList->clear();
-    inputList->assign( refList->begin(), refList->end());
+    inputList->assign( refList->begin(), refList -> end() );
   }
 }
 
@@ -32,16 +24,26 @@ vector<DeckMetaData *> * DeckManager::getAIDeckOrderList()
 
 
 DeckManager * DeckManager::mInstance = NULL;
+bool DeckManager::instanceFlag = false;
+
+void DeckManager::EndInstance()
+{
+  if (mInstance)
+  {
+    mInstance->aiDeckOrderList.clear();
+    mInstance->playerDeckOrderList.clear();
+    SAFE_DELETE( mInstance );
+  }
+}
 
 
 DeckManager* DeckManager::GetInstance()
 {
-  if ( mInstance == NULL )
+  if ( !instanceFlag )
+  {
     mInstance = new DeckManager();
+    instanceFlag = true;
+  }
+
   return mInstance;
 }
-
-void DeckManager::EndInstance()
-{
-  SAFE_DELETE(mInstance);
-}
diff --git a/projects/mtg/src/GameStateDuel.cpp b/projects/mtg/src/GameStateDuel.cpp
index fbbe8d0cd..4f70cd819 100644
--- a/projects/mtg/src/GameStateDuel.cpp
+++ b/projects/mtg/src/GameStateDuel.cpp
@@ -201,6 +201,7 @@ void GameStateDuel::End()
   JRenderer::GetInstance()->EnableVSync(false);
   if (mPlayers[0] && mPlayers[1]) mPlayers[0]->End();
   GameObserver::EndInstance();
+  DeckManager::EndInstance();
   game = NULL;
   premadeDeck = false;
 
@@ -243,6 +244,7 @@ void GameStateDuel::ensureOpponentMenu(){
     vector<DeckMetaData* > opponentDeckList = fillDeckMenu( opponentMenu, RESPATH"/ai/baka", "ai_baka", mPlayers[0]);
     deckManager->updateMetaDataList(&opponentDeckList, true);
     opponentMenu->Add( MENUITEM_CANCEL, "Cancel", "Choose a different player deck");
+    opponentDeckList.clear();
   }
 }