diff --git a/background/style-manager.js b/background/style-manager.js
index 4ddb6411..4ae2a5c2 100644
--- a/background/style-manager.js
+++ b/background/style-manager.js
@@ -1,6 +1,6 @@
 /* eslint no-eq-null: 0, eqeqeq: [2, "smart"] */
 /* global createCache db calcStyleDigest db tryRegExp styleCodeEmpty styleSectionGlobal
-  getStyleWithNoCode msg sync uuidv4 */
+  getStyleWithNoCode msg sync uuidv4 URLS */
 /* exported styleManager */
 'use strict';
 
@@ -226,6 +226,13 @@ const styleManager = (() => {
     if (!reason) {
       reason = style ? 'update' : 'install';
     }
+    let url = !data.url && data.updateUrl;
+    if (url) {
+      const usoId = URLS.extractUsoArchiveId(url);
+      url = usoId && `${URLS.usoArchive}?style=${usoId}` ||
+            URLS.extractGreasyForkId(url) && url.match(/^.*?\/\d+/)[0];
+      if (url) data.url = data.installationUrl = url;
+    }
     // FIXME: update updateDate? what about usercss config?
     return calcStyleDigest(data)
       .then(digest => {
diff --git a/edit/source-editor.js b/edit/source-editor.js
index a9f8bf22..b3292606 100644
--- a/edit/source-editor.js
+++ b/edit/source-editor.js
@@ -46,7 +46,7 @@ function createSourceEditor({style, onTitleChanged}) {
   metaCompiler.onUpdated(meta => {
     style.usercssData = meta;
     style.name = meta.name;
-    style.url = meta.homepageURL;
+    style.url = meta.homepageURL || style.installationUrl;
     updateMeta();
   });