diff --git a/addons/web/static/src/scss/modal.scss b/addons/web/static/src/scss/modal.scss
index 52c3100df31..8976dc1e6e7 100644
--- a/addons/web/static/src/scss/modal.scss
+++ b/addons/web/static/src/scss/modal.scss
@@ -92,6 +92,11 @@
     }
 }
 
+body.modal-open {
+    // Allow vertical scrolling in modals on iOS 
+    -webkit-overflow-scrolling: touch;
+}
+
 // Temporary fix for modals which are not instantiated thanks to the Dialog
 // JS classes (deprecated case) (see bootstrap_overridden.scss) + Frontend.
 //