diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
index dfe025656a..7b20954120 100644
--- a/gnu/packages/telephony.scm
+++ b/gnu/packages/telephony.scm
@@ -209,6 +209,8 @@ (define-public commoncpp
 serialization and XML parsing.  It includes the uCommon C++ library, a smaller
 reimplementation.")
    (license license:gpl2+) ; plus runtime exception
+   (properties '((ftp-directory . "/gnu/commoncpp")
+                 (upstream-name . "commoncpp2")))
    (home-page "https://www.gnu.org/software/commoncpp/")))
 
 (define-public ucommon