diff --git a/src/constants.js b/src/constants.js
index 8bacc1d44..46e9bdd2d 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -37,7 +37,7 @@ exports = module.exports = {
     DEFAULT_MEMORY_LIMIT: (256 * 1024 * 1024), // see also client.js
 
     DEMO_USERNAME: 'cloudron',
-    DEMO_BLACKLISTED_APPS: [ 'com.github.cloudtorrent', 'net.alltubedownload.cloudronapp', 'com.adguard.home.cloudronapp' ],
+    DEMO_BLACKLISTED_APPS: [ 'com.github.cloudtorrent', 'net.alltubedownload.cloudronapp', 'com.adguard.home.cloudronapp', 'com.transmissionbt.cloudronapp' ],
 
     AUTOUPDATE_PATTERN_NEVER: 'never',