diff --git a/cellconstructor/Spectral.py b/cellconstructor/Spectral.py
index cc8ee36..2304c4a 100644
--- a/cellconstructor/Spectral.py
+++ b/cellconstructor/Spectral.py
@@ -1165,11 +1165,10 @@ def get_full_dynamic_correction_along_path_multiprocessing(dyn,
                        If 'None' then the number returned by os.cpu_count() is used.
                        (default: None)
     """
-    def output_file_sort_function(filename_sp, smear_id_cm, smear_cm, nsm):
+    def output_file_sort_function(filename_data, smear_id_cm, smear_cm, nsm):
         for ism in range(nsm):
-            name = "{:5.2f}".format(smear_id_cm[ism]).strip()+"_"+"{:6.1f}".format(smear_cm[ism]).strip()
-            #
-            filename_data = filename_sp+'_'+name+'.dat'
+            #name = "{:5.2f}".format(smear_id_cm[ism]).strip()+"_"+"{:6.1f}".format(smear_cm[ism]).strip()
+            #filename_data = filename_sp+'_'+name+'.dat'
             f = open(filename_data, 'r')
             head1 = f.readline()
             head2 = f.readline()
@@ -1345,7 +1344,7 @@ def output_file_sort_function(filename_sp, smear_id_cm, smear_cm, nsm):
         for  ism in range(nsm):
             name="{:6.1f}".format(smear_cm[ism]).strip()
             filename_new=filename_sp+'_'+name+'.dat'
-            output_file_sort_function(filename_sp, smear_id_cm, smear_cm, nsm)
+            output_file_sort_function(filename_new, smear_id_cm, smear_cm, nsm)