diff --git a/app/javascript/flavours/glitch/actions/importer/normalizer.js b/app/javascript/flavours/glitch/actions/importer/normalizer.js
index 962ddc60f3..69c755d06f 100644
--- a/app/javascript/flavours/glitch/actions/importer/normalizer.js
+++ b/app/javascript/flavours/glitch/actions/importer/normalizer.js
@@ -69,6 +69,17 @@ export function normalizeStatus(status, normalOldStatus, settings) {
     normalStatus.contentHtml  = emojify(normalStatus.content, emojiMap);
     normalStatus.spoilerHtml  = emojify(escapeTextContentForBrowser(spoilerText), emojiMap);
     normalStatus.hidden       = (spoilerText.length > 0 || normalStatus.sensitive) && autoHideCW(settings, spoilerText);
+
+    if (normalStatus.url && !(normalStatus.url.startsWith('http://') || normalStatus.url.startsWith('https://'))) {
+      normalStatus.url = null;
+    }
+
+    normalStatus.url ||= normalStatus.uri;
+
+    normalStatus.media_attachments.forEach(item => {
+      if (item.remote_url && !(item.remote_url.startsWith('http://') || item.remote_url.startsWith('https://')))
+        item.remote_url = null;
+    });
   }
 
   if (normalOldStatus) {