diff --git a/scripts/checkTrackSelection.py b/scripts/checkTrackSelection.py
index 0db4155..f6a506a 100644
--- a/scripts/checkTrackSelection.py
+++ b/scripts/checkTrackSelection.py
@@ -3,7 +3,7 @@
 # @Author: Elena Graverini
 # @Date:   2015-10-27 18:26:49
 # @Last Modified by:   Elena Graverini
-# @Last Modified time: 2017-05-03 11:00:49
+# @Last Modified time: 2017-05-03 11:04:15
 
 import ROOT as r
 import os
@@ -16,6 +16,7 @@
 fills = [2797, 3108, 3478, 3960, 4518]
 dets = ['TT', 'IT']
 val = {'TT': 5, 'IT': 7}
+layer = {'TT': 'TTaU', 'IT': 'T3X2'}
 stat = 10000000
 
 r.gROOT.SetBatch(True)
@@ -30,7 +31,7 @@
 
 def printSelection(det, fill, stat):
     f = r.TFile(location[det] + '%s.root' % fill, 'read')
-    t_sig = f.Get('STADCTrackMonitor/HitInfo/TTaU')
+    t_sig = f.Get('STADCTrackMonitor/HitInfo/%s' % layer[det])
     # t_bg = f.Get('STADCTrackMonitor/NoiseInfo/TTaU')
     # t_sig.Draw("GhostP : TrChi2/TrNDoF>>hnew(100,0., 5,100, 0.,1.)", "", "colz", 10000, 0)