diff --git a/gestion/gen_confs/wifi_ng.py b/gestion/gen_confs/wifi_ng.py
index 43464969..6316f231 100755
--- a/gestion/gen_confs/wifi_ng.py
+++ b/gestion/gen_confs/wifi_ng.py
@@ -82,9 +82,10 @@ class conf_wifi(gen_config) :
                                           name))
                 # Et on copie
                 for name in files:
-                    shutil.copy(os.path.join(root, name),
-                                os.path.join("%s%s" % (WORK, root[len(top):]),
-                                             name))
+                    if name.endswith("~"):
+                        shutil.copy(os.path.join(root, name),
+                                    os.path.join("%s%s" % (WORK, root[len(top):]),
+                                                 name))
             # On créé/complète le fichier /etc/nvram.updates
             fd = file(os.path.join(WORK, "etc", "nvram.updates"), "w+")
             data = { 'HOST': borne.nom().split('.')[0],
@@ -94,7 +95,7 @@ class conf_wifi(gen_config) :
                      'ON': ((int(borne.puissance() or 0) > 0) and 1 or 0),
                      }
             fd.write("""
-variables=${variables} lan_ipaddr wan_hostname crans_channels txpower
+variables="${variables} lan_ipaddr wan_hostname crans_channels txpower"
 NVRAM_lan_ipaddr=%(IP)s
 NVRAM_wan_hostname=%(HOST)s
 NVRAM_crans_channels=%(CANAL)s
@@ -106,7 +107,7 @@ NVRAM_wl0_radio=%(ON)d
             # la description.
             for info in borne.info():
                 if info.startswith("<nvram>"):
-                    fd.write("variables=${variables} %s\n" % info[7:].split("=")[0])
+                    fd.write('variables="${variables} %s"\n' % info[7:].split("=")[0])
                     fd.write("NVRAM_%s\n" % info[7:])
             fd.close()