diff --git a/res/css/views/directory/_NetworkDropdown.scss b/res/css/views/directory/_NetworkDropdown.scss
index e60c481e45..106392f880 100644
--- a/res/css/views/directory/_NetworkDropdown.scss
+++ b/res/css/views/directory/_NetworkDropdown.scss
@@ -159,5 +159,5 @@ limitations under the License.
 }
 
 .mx_NetworkDropdown_dialog .mx_Dialog {
-    width: 557px;
+    width: 45vw;
 }