diff --git a/backend/chainetv/emission.py b/backend/chainetv/emission.py
index b8a8af3..8ecab50 100644
--- a/backend/chainetv/emission.py
+++ b/backend/chainetv/emission.py
@@ -2,12 +2,13 @@ from bs4 import BeautifulSoup
 import urllib.request
 import re
 from datetime import datetime, timedelta
+from time import sleep
 
 #debug
 #import pprint
 
 class Emmission(object):
-
+    loading = False
     def __init__(self):
         self._LoadreferencePage()
 
@@ -19,11 +20,17 @@ class Emmission(object):
             return None
         print("load")
         self.html = BeautifulSoup(response.read(),"html.parser")
-        self.timeexp=datetime.utcnow() +timedelta(minutes=5)
+        self.timeexp=datetime.utcnow() +timedelta(seconds=30)
 
     def parse_emmission(self,strsearch):
-        if (datetime.utcnow() > self.timeexp):
+        if ((datetime.utcnow() > self.timeexp) and (self.loading == False)):
+            self.loading = True
             self._LoadreferencePage()
+            self.loading = False
+        else:
+            while(self.loading):
+                sleep(0.1)
+                pass
         strsearch=strsearch.replace('É','E')
         linkchaine=self.html.find(text=re.compile(re.escape(strsearch)))
         if linkchaine == None: