diff --git a/addons/web/static/src/less/webclient.less b/addons/web/static/src/less/webclient.less
index c5f594757d0..e1344ee49e6 100644
--- a/addons/web/static/src/less/webclient.less
+++ b/addons/web/static/src/less/webclient.less
@@ -136,7 +136,6 @@ div.o_boolean_toggle {
     height: 100%;
     left: 0;
     top: 0;
-    z-index: 1000000;
     background-color: rgba(0,0,0,.6);
     color: #FFFFFF;
     justify-content: center;