diff --git a/src/js/yunohost/controllers/apps.js b/src/js/yunohost/controllers/apps.js
index 2d1c2601..b68a06aa 100644
--- a/src/js/yunohost/controllers/apps.js
+++ b/src/js/yunohost/controllers/apps.js
@@ -489,12 +489,14 @@
     // App installation form
     app.get('#/apps/install/:app', function (c) {
         c.api('/apps?raw', function(data) { // http://api.yunohost.org/#!/app/app_list_get_8
-            if (dataraw[v['id']]['state'] === "validated")
+            var app_name = c.params["app"];
+            var app_infos = data[app_name];
+            if (app_infos['state'] === "validated")
             {
-                dataraw[v['id']]['state'] = "official";
+                app_infos['state'] = "official";
             }
-            var state_color = stateToColor(data[c.params['app']]['state']);
-            var level_color = levelToColor(parseInt(data[c.params['app']]['level']));
+            var state_color = stateToColor(app_infos['state']);
+            var level_color = levelToColor(parseInt(app_infos['level']));
             var is_safe_for_install_color = combineColors(state_color, level_color);
 
             if ((is_safe_for_install_color === "warning") || (is_safe_for_install_color === "danger"))
@@ -504,8 +506,8 @@
                     y18n.t("confirm_install_app_"+is_safe_for_install_color),
                     function(){
                         c.appInstallForm(
-                            c.params['app'],
-                            data[c.params['app']].manifest,
+                            app_name,
+                            app_infos.manifest,
                             c.params
                         );
                     },