diff --git a/files/apts/tls-proxy b/files/apts/tls-proxy
index dce9c07d3f..0a44015925 100644
--- a/files/apts/tls-proxy
+++ b/files/apts/tls-proxy
@@ -1 +1 @@
-stud
+stud # only available in dist:precise,quantal