diff --git a/apps/files_sharing/js/public.js b/apps/files_sharing/js/public.js
index 6a6095317a..41333f1a08 100644
--- a/apps/files_sharing/js/public.js
+++ b/apps/files_sharing/js/public.js
@@ -228,6 +228,14 @@ OCA.Sharing.PublicApp = {
 			OCA.Sharing.PublicApp._saveToOwnCloud(remote, token, owner, name, isProtected);
 		});
 
+		$('#remote_address').on("change keyup paste", function() {
+			if ($(this).val() === '') {
+				$('#save-button-confirm').prop('disabled', true);
+			} else {
+				$('#save-button-confirm').prop('disabled', false);
+			}
+		});
+
 		$('#save #save-button').click(function () {
 			$(this).hide();
 			$('.save-form').css('display', 'inline');
diff --git a/apps/files_sharing/templates/public.php b/apps/files_sharing/templates/public.php
index cde28c80fc..06d797c3c6 100644
--- a/apps/files_sharing/templates/public.php
+++ b/apps/files_sharing/templates/public.php
@@ -76,7 +76,7 @@ $thumbSize = 1024;
 					<button id="save-button"><?php p($l->t('Add to your ownCloud')) ?></button>
 					<form class="save-form hidden" action="#">
 						<input type="text" id="remote_address" placeholder="example.com/owncloud"/>
-						<button id="save-button-confirm" class="icon-confirm svg"></button>
+						<button id="save-button-confirm" class="icon-confirm svg" disabled></button>
 					</form>
 				</span>
 				<?php } ?>