diff --git a/bin/Duplicate_ssdeep_v2.py b/bin/Duplicate_ssdeep_v2.py
index 2eedda96..d2efcab3 100755
--- a/bin/Duplicate_ssdeep_v2.py
+++ b/bin/Duplicate_ssdeep_v2.py
@@ -117,7 +117,11 @@ if __name__ == "__main__":
                 for hash_type, paste_hash in paste_hashes.iteritems():
                     for dico_hash in curr_dico_redis.smembers('HASHS_'+hash_type):
                         try:
-                            percent = 100-ssdeep.compare(dico_hash, paste_hash) if hash_type == 'ssdeep' else tlsh.diffxlen(dico_hash, paste_hash)
+                            if hash_type == 'ssdeep':
+                                percent = 100-ssdeep.compare(dico_hash, paste_hash)  
+                            else:
+                                percent = tlsh.diffxlen(dico_hash, paste_hash)
+
                             threshold_duplicate = threshold_set[hash_type]
                             if percent < threshold_duplicate:
                                 percent = 100 - percent if hash_type == 'ssdeep' else percent #recovert the correct percent value for ssdeep
diff --git a/var/www/Flask_server.py b/var/www/Flask_server.py
index 22d407f8..254b3d2d 100755
--- a/var/www/Flask_server.py
+++ b/var/www/Flask_server.py
@@ -101,7 +101,8 @@ def parseStringToList2(the_string):
         for i in range(1, len(tab_str)-2):
             tab_str[i] = '['+tab_str[i]+']'
             res.append(parseStringToList(tab_str[i]))
-        res.append(parseStringToList(tab_str[len(tab_str)-1]))
+        if len(tab_str) > 1:
+            res.append(parseStringToList(tab_str[len(tab_str)-1]))
         return res