diff --git a/analyze_wotb_replays.py b/analyze_wotb_replays.py
index 2459c72..f711eca 100755
--- a/analyze_wotb_replays.py
+++ b/analyze_wotb_replays.py
@@ -2326,9 +2326,12 @@ async def mk_readerQ_item(replay_json, filename : str = None) -> list:
 	global REPLAY_N
 	REPLAY_N +=1
 	try:
-		if not '_id' in replay_json:
-			id = wi.read_replay_id(replay_json)
-			replay_json['_id'] = id	
+		if wi.chk_JSON_replay(replay_json): 
+			if not '_id' in replay_json:
+				id = wi.read_replay_id(replay_json)
+				replay_json['_id'] = id	
+		else:
+			replay_json = None # mark error
 	except Exception as err:
 		bu.error(exception=err)
 	if filename == None:
diff --git a/blitzutils.py b/blitzutils.py
index 0d0835c..46a5d79 100755
--- a/blitzutils.py
+++ b/blitzutils.py
@@ -311,7 +311,7 @@ def verbose_std(msg="", id=None) -> bool:
 
 def warning(msg="", id=None, force: bool = False) -> bool:
     """Print a warning message"""
-    return _print_log_msg('Warning', msg, None, id, print_msg=(force or (_log_level >= NORMAL)))
+    return _print_log_msg('', 'Warning: ' + msg, None, id, print_msg=(force or (_log_level >= NORMAL)))
 
 
 def debug(msg="", id=None, exception=None, force: bool = False) -> bool:
@@ -1852,7 +1852,7 @@ class WoTinspector:
             # FIX The replay can have allies/enemies i.e. be useful for 
             # team composition analysis, but does not have player contribution
             if ('status' in json_resp) and json_resp['status'] == 'ok' and \
-                (get_JSON_value(json_resp, key='data.summary.allies') != None) :
+                (get_JSON_value(json_resp, key='data.summary.winner_team') != None) :
                 debug("JSON check OK")
                 return True 
         except KeyError as err: