diff --git a/src/webui/api/torrentscontroller.cpp b/src/webui/api/torrentscontroller.cpp
index 23145f87f..2d4136943 100644
--- a/src/webui/api/torrentscontroller.cpp
+++ b/src/webui/api/torrentscontroller.cpp
@@ -1482,15 +1482,16 @@ void TorrentsController::setTagsAction()
     const QStringList hashes {params()[u"hashes"_s].split(u'|', Qt::SkipEmptyParts)};
     const QStringList tags {params()[u"tags"_s].split(u',', Qt::SkipEmptyParts)};
 
-    TagSet newTags {tags.begin(), tags.end()};
-    applyToTorrents(hashes, [newTags](BitTorrent::Torrent *const torrent)
+    const TagSet newTags {tags.begin(), tags.end()};
+    applyToTorrents(hashes, [&newTags](BitTorrent::Torrent *const torrent)
     {
+        TagSet tmpTags {newTags};
         for (const Tag &tag : asConst(torrent->tags()))
         {
-            if (newTags.erase(tag) == 0)
+            if (tmpTags.erase(tag) == 0)
                 torrent->removeTag(tag);
         }
-        for (const Tag &tag : newTags)
+        for (const Tag &tag : tmpTags)
             torrent->addTag(tag);
     });
 }