diff --git a/intranet/modules/impression/main.py b/intranet/modules/impression/main.py
index 256cbfe0..b286e26e 100755
--- a/intranet/modules/impression/main.py
+++ b/intranet/modules/impression/main.py
@@ -75,7 +75,7 @@ class main(ModuleBase):
         if submit == "Envoyer":
             try:
                 self.savePDF(newFile)
-                data['fileName'] = newFile.filename.encode('ascii','ignore')
+                data['fileName'] = newFile.filename.encode('ascii','replace').replace('?','_')
             except FileError, e:
                 data['openError'] = e.args[0]
         elif submit == "Choisir":
@@ -252,7 +252,7 @@ class main(ModuleBase):
         file_folder = os.path.join(FILE_UPLOAD_BASE_FOLDER,  cherrypy.session['uid']+"/")
         if not os.path.isdir(file_folder):
             os.makedirs(file_folder)
-        newFilePath = os.path.join(file_folder, aFile.filename.encode('ascii','ignore'))
+        newFilePath = os.path.join(file_folder, aFile.filename.encode('ascii','replace').replace('?','_'))
         shutil.move(tempFileName, newFilePath)
         crans.cp.log("New file uploaded at : %s" % newFilePath, "IMPRESSION")
         return newFilePath