diff --git a/Modules/Biophotonics/python/iMC/msi/io/spectrometerreader.py b/Modules/Biophotonics/python/iMC/msi/io/spectrometerreader.py
index d1590c1aaa..b182201d7a 100644
--- a/Modules/Biophotonics/python/iMC/msi/io/spectrometerreader.py
+++ b/Modules/Biophotonics/python/iMC/msi/io/spectrometerreader.py
@@ -1,38 +1,43 @@
 # -*- coding: utf-8 -*-
 """
 Created on Fri Aug  7 12:04:18 2015
 
 @author: wirkert
 """
 
 import numpy as np
 from msi.io.reader import Reader
 from msi.msi import Msi
 
 
 class SpectrometerReader(Reader):
 
     def __init__(self):
         pass
 
     def read(self, file_to_read):
         # our spectrometer like to follow german standards in files, we need
         # to switch to english ones
         transformed=""
         replacements = {',': '.', '\r\n': ''}
         with open(file_to_read) as infile:
             for line in infile:
                 for src, target in replacements.iteritems():
                     line = line.replace(src, target)
                 transformed = "\n".join([transformed, line])
 
         for num, line in enumerate(transformed.splitlines(), 1):
-            if ">>>>>Begin Spectral Data<<<<<" in line:
+            if ">>>>>Begin" in line:
                 break
-        string_only_spectrum = "\n".join(transformed.splitlines()[num:])
+
+        for num_end, line in enumerate(transformed.splitlines(), 1):
+            if ">>>>>End" in line:
+                num_end -= 1
+                break
+        string_only_spectrum = "\n".join(transformed.splitlines()[num:num_end])
         data_vector = np.fromstring(string_only_spectrum,
                                     sep="\t").reshape(-1, 2)
         msi = Msi(data_vector[:, 1],
                   {'wavelengths': data_vector[:, 0] * 10 ** -9})
         return msi