diff --git a/mail-rssify.py b/mail-rssify.py
index e11c977..9d4630d 100755
--- a/mail-rssify.py
+++ b/mail-rssify.py
@@ -191,7 +191,10 @@ class TTRSS:
         body = self._make_request(
             "subscribeToFeed", feed_url=feed_url, category_id=cat_id
         )
-        if body["content"]["status"]["code"] != 1:
+        status = body["content"]["status"]["code"]
+        if status == 0:
+            raise Exception("Feed already exists")
+        if status != 1:
             raise Exception(f"Failed to subscribe to {feed_url}: {body}")