diff --git a/admin/mail_invalide/mail_invalide.py b/admin/mail_invalide/mail_invalide.py
index 6489fd26..8a407a5c 100755
--- a/admin/mail_invalide/mail_invalide.py
+++ b/admin/mail_invalide/mail_invalide.py
@@ -10,7 +10,8 @@ Copyright (C) 2009 Michel Blockelet
 Licence : GPL v2
 """
 
-import commands, os, sys, time
+import os, sys, time
+import subprocess
 sys.path.append('/usr/scripts/gestion')
 from ldap_crans import crans_ldap
 from config import upload
@@ -57,7 +58,8 @@ def generate_ps(proprio, mail):
 
         # Création du fichier tex
         format_date = '%A %d %B %Y'
-        template = file('./mail_invalide.tex').read()
+        with open('%s/mail_invalide.tex' % os.path.dirname(__file__), 'r') as tempfile:
+            template = tempfile.read()
         template = template.replace('~prenom~', proprio.prenom().encode('utf-8'))
         template = template.replace('~nom~', proprio.nom().encode('utf-8'))
         template = template.replace('~chambre~', proprio.chbre().encode('utf-8'))
@@ -65,12 +67,15 @@ def generate_ps(proprio, mail):
         template = template.replace('~fin~',
             time.strftime(format_date, time.localtime(time.time()+14*86400)))
 
-        file('%s/%s.tex' % (dossier, fichier), 'w').write(template)
+        with open('%s/%s.tex' % (dossier, fichier), 'w') as outtex:
+            outtex.write(template)
 
         # Compilation du fichier latex
-        #commands.getstatusoutput('PATH="/bin:/usr/bin" cd %(dossier)s && barcode -n -E -b %(adresse)s%(date)s -o %(barcode)s && latex --interaction=nonstopmode %(base)s.tex && dvips %(base)s.dvi && rm -f %(base)s.dvi %(base)s.aux %(base)s.log %(base)s.tex %(barcode)s'%{'dossier': dossier, 'adresse': adresse, 'date': time.strftime("%Y%m%d-%H%M"), 'base': fichier, 'barcode': barcode})
-        commands.getstatusoutput('cd %(dossier)s && pdflatex -interaction nonstopmode %(base)s.tex'%{'dossier': dossier, 'adresse': adresse, 'date': time.strftime("%Y%m%d-%H%M"), 'base': fichier, 'barcode': barcode})
-
+        subprocess.check_call(['/usr/bin/pdflatex',
+                               '-output-directory='+ dossier,
+                               '-interaction', 'nonstopmode',
+                               fichier + '.tex',
+                              ])
         return '%s/%s.pdf' % (dossier, fichier)
 
     except Exception, e:
diff --git a/respbats/mail_invalide b/respbats/mail_invalide
deleted file mode 120000
index 0660fa95..00000000
--- a/respbats/mail_invalide
+++ /dev/null
@@ -1 +0,0 @@
-../admin/mail_invalide/mail_invalide.py
\ No newline at end of file
diff --git a/respbats/mail_invalide b/respbats/mail_invalide
new file mode 100755
index 00000000..58c15547
--- /dev/null
+++ b/respbats/mail_invalide
@@ -0,0 +1,2 @@
+#!/bin/bash
+/usr/scripts/admin/mail_invalide/mail_invalide.py "$@"