diff --git a/src/themes/dspace/app/navbar/navbar.component.scss b/src/themes/dspace/app/navbar/navbar.component.scss
index d3aea9f0780..2bcd38d5f4d 100644
--- a/src/themes/dspace/app/navbar/navbar.component.scss
+++ b/src/themes/dspace/app/navbar/navbar.component.scss
@@ -7,7 +7,7 @@ nav.navbar {
 /** Mobile menu styling **/
 @media screen and (max-width: map-get($grid-breakpoints, md)-0.02) {
   .navbar {
-    width: 100%;
+    width: 100vw;
     background-color: var(--bs-white);
     position: absolute;
     overflow: hidden;