diff --git a/simulators/N2S3_MongoDB.scala b/simulators/N2S3_MongoDB.scala
old mode 100755
new mode 100644
index fdc973bed0413ad5b0af35d90440967c71cb2b35..7ca58058610c2455c31cd16e0414e87362312028
--- a/simulators/N2S3_MongoDB.scala
+++ b/simulators/N2S3_MongoDB.scala
@@ -408,7 +408,7 @@ class SynapticWeight(list : Seq[Seq[Seq[ConnectionPath]]], refreshRate : Int = 1
               y = cnx._2
             }
           })
-          documents = documents.::(Document("T" -> BsonDouble.apply(BigDecimal((System.currentTimeMillis() - globalTimestamps)/1000.0).setScale(6, BigDecimal.RoundingMode.HALF_UP).toDouble), "C" -> v._1, "To" -> BsonInt32.apply(Integer.valueOf(v._2.split(":")(1))), "V" ->
+          documents = documents.::(Document("T" -> BsonDouble.apply(BigDecimal((System.currentTimeMillis() - globalTimestamps)/1000.0).setScale(6, BigDecimal.RoundingMode.HALF_UP).toDouble), "C" -> BsonInt32.apply(Integer.valueOf(v._2.split(":")(0).takeRight(1))-1), "To" -> BsonInt32.apply(Integer.valueOf(v._2.split(":")(1))), "V" ->
             BsonDouble.apply(BigDecimal(v._3).setScale(6, BigDecimal.RoundingMode.HALF_UP).toDouble),"index" -> Document("x" -> y, "y" -> x), "L" -> v._2.split(":")(0)))
         })
         valuesTmp = values