diff --git a/comm/server/main.py b/comm/server/main.py
index f7e6ee2c2a7f0820ad7704a8c2f88f237941226d..24f267db70d6bdbeaf82d67e7bbc3e847e4a9ade 100644
--- a/comm/server/main.py
+++ b/comm/server/main.py
@@ -117,9 +117,8 @@ def update_answer_list(qname):
             
             if answer_log['solved'] == "True":
                 is_solved = True
-
-            if questions[qname]['answer'] == answer_log['answer']:
-                questions[qname]['best_json'] = json_name
+                if questions[qname]['answer'] == answer_log['answer']:
+                    questions[qname]['best_json'] = json_name
 
             if (questions[qname]['last_req'] == float(answer_log['req_id'])):
                 if answer_log['solver'] in questions[qname]['solver']:
@@ -348,8 +347,12 @@ def save_best_solution():
     _best_json = ""
 
     for k, v in questions[qname]['answers'].items():
-        if v['nlcheck'] > _best_score:
-            _best_socer = v['nlcheck']
+        try:
+            _score = float(v['nlcheck'])
+        except:
+            _score = -1
+        if _score > _best_score:
+            _best_score = _score
             _best_json = k
 
     if _best_json != "":
@@ -357,6 +360,8 @@ def save_best_solution():
         if not os.path.isdir(out_path):
             os.makedirs(out_path)
 
+        print("Saved answer for {}: {}".format(qname, _best_json))
+
         qnumber = qname.replace("NL_Q", "").replace(".txt", "")
         out_file_path = "{}/T01_A{}.txt".format(out_path, qnumber)
         with open(out_file_path, 'w') as fp: