diff --git a/templates/snippets/layout/questions_list.html b/templates/snippets/layout/questions_list.html
index c5f6bf2..154e505 100644
--- a/templates/snippets/layout/questions_list.html
+++ b/templates/snippets/layout/questions_list.html
@@ -28,10 +28,10 @@
 			<div class="modal-body py-0">
 				<div class="form-group mb-3">
 					<label for="fediInstance" class="form-label">{{ _('Fediverse instance domain:') }}</label>
-					<input type="text" id="fediInstance" name="fediInstance" class="form-control">
+					<input type="text" id="fediInstance" name="fediInstance" class="form-control" required>
 				</div>
 			</div>
-			<div class="modal-footer pt-1 border-0 flex-column flex-sm-row justify-content-sm-between align-items-stretch align-items-sm-center">
+			<div class="modal-footer pt-1 border-0 flex-column flex-sm-row align-items-stretch align-items-sm-center">
 				<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">{{ _('Cancel') }}</button>
 				<button type="button" class="btn btn-primary" data-bs-dismiss="modal" id="q-modal-submit">{{ _('Share') }}</button>
 			</div>