diff --git a/server.py b/server.py
index 0ec29d6..a9740f4 100755
--- a/server.py
+++ b/server.py
@@ -157,6 +157,37 @@ def listfiles():
         files[fname] = file_dict["roles"]
     return files
 
+@server_command('restorefiles')
+def restorefiles():
+    """Si un fichier a été corrompu, on restore son dernier backup valide"""
+    os.chdir(serverconfig.STORE)
+
+    filenames = glob.glob('*.json')
+    files = {}
+    for filename in filenames:
+        file_dict = json.loads(open(filename).read())
+        if not ('-----BEGIN PGP MESSAGE-----' in file_dict["contents"]):
+            fname = filename[:-5].decode('utf-8')
+            with open(fname+'.bak') as f:
+                line = f.readline()
+                backup = ''
+                while not (line==''):
+                    try:
+                        line_dict =  json.loads(line)
+                        if ('-----BEGIN PGP MESSAGE-----' in line_dict["contents"]):
+                            backup = line
+                    except:
+                        pass
+                    line = f.readline()
+                if not (backup == ''):
+                    files[fname] = 'restored'
+                    with open(fname+'.json','w') as f2:
+                        f2.write(backup)
+                else:
+                    files[fname] = 'not restored'
+    return files
+
+
 @server_command('getfile')
 def getfile(filename):
     """Récupère le fichier ``filename``"""