diff --git a/twitter/twitter.php b/twitter/twitter.php
index 197af3f22..62b1b6a9e 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -882,7 +882,7 @@ function twitter_post_hook(App $a, array &$b)
 			}
 
 			if (!empty($application_name)) {
-				DI::config()->set('twitter', 'application_name', strip_tags($result->source));
+				DI::config()->set('twitter', 'application_name', strip_tags($application_name));
 			}
 		}
 	}