diff --git a/Tactical/Items.cpp b/Tactical/Items.cpp
index 541923f00..3e043efd2 100644
--- a/Tactical/Items.cpp
+++ b/Tactical/Items.cpp
@@ -6556,8 +6556,16 @@ INT16 GetRateOfFireBonus( OBJECTTYPE * pObj )
 	INT8	bLoop;
 	INT16 bns=0;
 
+  if( (MAXITEMS <= pObj->usItem) || (MAXITEMS <= pObj->usGunAmmoItem) )
+    {
+   	DebugMsg(TOPIC_JA2, DBG_LEVEL_1, String("GetRateOfFireBonus would crash: pObj->usItem=%d or pObj->usGunAmmoItem=%d ist higher than max %d", pObj->usItem, pObj->usGunAmmoItem, MAXITEMS ));
+  	ScreenMsg( MSG_FONT_RED, MSG_DEBUG, L"GetRateOfFireBonus would crash: pObj->usItem=%d or pObj->usGunAmmoItem=%d ist higher than max %d", pObj->usItem, pObj->usGunAmmoItem, MAXITEMS );
+    AssertMsg( 0, "GetRateOfFireBonus would crash" );
+    return 0; /* cannot calculate Bonus, this only happens sometimes in FULLSCREEN */
+    }
+
 	bns = BonusReduceMore( Item[pObj->usItem].rateoffirebonus, pObj->bStatus[0] );
-	bns += Item[pObj->usGunAmmoItem].rateoffirebonus ;
+	bns += Item[pObj->usGunAmmoItem].rateoffirebonus;
 
 	for (bLoop = 0; bLoop < MAX_ATTACHMENTS; bLoop++)
 	{
diff --git a/Tactical/XML_ComboMergeInfo.cpp b/Tactical/XML_ComboMergeInfo.cpp
index baeec7b66..31445319c 100644
--- a/Tactical/XML_ComboMergeInfo.cpp
+++ b/Tactical/XML_ComboMergeInfo.cpp
@@ -193,6 +193,7 @@ BOOLEAN ReadInAttachmentComboMergeStats(STR fileName)
 	if ( !FileRead( hFile, lpcBuffer, uiFSize, &uiBytesRead ) )
 	{
 		MemFree(lpcBuffer);
+	  	FileClose( hFile );  /* added, Sgt. Kolja */
 		return( FALSE );
 	}
 
@@ -220,6 +221,7 @@ BOOLEAN ReadInAttachmentComboMergeStats(STR fileName)
 		LiveMessage(errorBuf);
 
 		MemFree(lpcBuffer);
+	  	XML_ParserFree(parser); /* added, Sgt. Kolja */
 		return FALSE;
 	}