diff --git a/.gitignore b/.gitignore
index e10cc03..00f2186 100644
--- a/.gitignore
+++ b/.gitignore
@@ -108,3 +108,7 @@ venv.bak/
 
 # Credentials files
 twitter_credentials.py
+trello_credentials.py
+
+# Database
+database.db
diff --git a/site.py b/site.py
index a5ce564..4d63c8c 100644
--- a/site.py
+++ b/site.py
@@ -1,5 +1,5 @@
 from flask import Flask, request, redirect, session, render_template
-import twitter_credentials, tweepy, database
+import twitter_credentials, tweepy, database, trello_credentials, trello
 
 app = Flask(__name__)
 app.secret_key = "*i9uld6u@t!kxl9%o+byxqf14&a&&@y@q=l$!lg4m%b-a*^o(a"
@@ -47,13 +47,6 @@ def twlogout():
         session.pop("access_secret_token", None)
     return redirect("/")
 
-@app.route("/trlogin")
-def trlogin():
-    if not is_twlogin(session):
-        return redirect("/")
-    if request.args.get("token"):
-        database.tradd(twapi_login(session).me().id, request.args.get("token"))
-    return redirect("/settings")
 
 @app.route("/trlogout")
 def trlogout():
@@ -71,11 +64,16 @@ def home():
 def settings():
     if not is_twlogin(session):
         return redirect("/")
-    api = twapi_login(session)
-    if "token" in request.form:
-        database.tradd(api.me().id, request.form["token"])
-        return redirect("/settings")
-    return render_template("settings.html", login = True, trlogin = is_trlogin(session))
+
+    trloginfail = False
+    if "trtoken" in request.form:
+        try:
+            trello.TrelloClient(api_key = trello_credentials.api_key, token = request.form["trtoken"]).list_boards()
+        except:
+            trloginfail = True
+        else:
+            database.tradd(twapi_login(session).me().id, request.form["trtoken"])
+    return render_template("settings.html", login = True, trlogin = is_trlogin(session), trloginfail = trloginfail)
 
 @app.route("/twpost")
 def twpost():
diff --git a/templates/settings.html b/templates/settings.html
index fc09e9d..21d1dca 100644
--- a/templates/settings.html
+++ b/templates/settings.html
@@ -11,6 +11,9 @@
 							<div class="inner">
 
 								<h3>Connexions</h3>
+								{% if trloginfail and not trlogin %}
+								<h4><font color="red">Invalid Trello token !</font></h4>
+								{% endif %}
 								<p>Trello :
 								{% if trlogin %}
 								<font color="green">Connected</font></p>
@@ -19,7 +22,7 @@
 								<font color="red">Disconnected</font></p>
 								<p><a href="https://trello.com/1/authorize?expiration=never&name=Cyberplanificateur&scope=read,write&response_type=token&key=4b9aa97a8ec693574d819aeaf9e0eefa&return_url=https://cyberplanificateur.flifloo.fr/settings">Click here</a> and give the token bellow</p>
 								<form action = "https://cyberplanificateur.flifloo.fr/settings" method = "POST">
-									<input type="text" name="token" placeholder="Trello token" />
+									<input type="text" name="trtoken" placeholder="Trello token" />
 									<input type="submit" value="Connect" class="button primary">
 								</form>
 								{% endif %}