diff --git a/addons/web/static/src/scss/ui.scss b/addons/web/static/src/scss/ui.scss
index 5a46c9c01a8..3a2551b2f96 100644
--- a/addons/web/static/src/scss/ui.scss
+++ b/addons/web/static/src/scss/ui.scss
@@ -8,6 +8,7 @@
 
 .ui-autocomplete {
     z-index: $zindex-modal + 1;
+    max-width: 600px;
 }
 
 [aria-hidden="true"], [aria-hidden="1"] {