diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 6c939e742f5..f16f016329e 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -222,6 +222,7 @@ label.error {
     background: #f0eeee;
 }
 .openerp .oe-application-container {
+    width: 100%;
     height: 100%;
 }