diff --git a/kfet/static/kfet/js/account.js b/kfet/static/kfet/js/account.js
index 398f5f1b..52136659 100644
--- a/kfet/static/kfet/js/account.js
+++ b/kfet/static/kfet/js/account.js
@@ -14,7 +14,7 @@ var Account = Backbone.Model.extend({
     },
 
     url: function () {
-        return django_urls["kfet.account.read.json"](this.get("trigramme"))
+        return django_urls["kfet.account.read.json"](encodeURIComponent(this.get("trigramme")))
     },
 
     reset: function () {
@@ -81,7 +81,7 @@ var AccountView = Backbone.View.extend({
     get_buttons: function () {
         var buttons = '';
         if (this.model.id != 0) {
-            var url = django_urls["kfet.account.read"](this.model.get("trigramme"))
+            var url = django_urls["kfet.account.read"](encodeURIComponent(this.model.get("trigramme")))
             buttons += `<a href="${url}" class="btn btn-primary" target="_blank" title="Modifier"><span class="glyphicon glyphicon-cog"></span></a>`;
         } else {
             var trigramme = this.$(this.input).val().toUpperCase();
diff --git a/kfet/templates/kfet/transfers_create.html b/kfet/templates/kfet/transfers_create.html
index 982de6c0..e4fae405 100644
--- a/kfet/templates/kfet/transfers_create.html
+++ b/kfet/templates/kfet/transfers_create.html
@@ -56,7 +56,7 @@ $(document).ready(function () {
     function getAccountData(trigramme, callback = function() {}) {
         $.ajax({
             dataType: "json",
-            url     : django_urls["kfet.account.read.json"]({trigramme: trigramme}),
+            url     : django_urls["kfet.account.read.json"]({trigramme: encodeURIComponent(trigramme)}),
             method  : "GET",
             success : callback,
         });