diff --git a/libs/avahi/patches/020-revert-runtime-dir-systemd-change.patch b/libs/avahi/patches/020-revert-runtime-dir-systemd-change.patch
index 5e31bfd84..6a6f90308 100644
--- a/libs/avahi/patches/020-revert-runtime-dir-systemd-change.patch
+++ b/libs/avahi/patches/020-revert-runtime-dir-systemd-change.patch
@@ -1,11 +1,11 @@
---- a/configure
-+++ b/configure
-@@ -24638,7 +24638,7 @@ _ACEOF
+--- a/configure.ac
++++ b/configure.ac
+@@ -1004,7 +1004,7 @@ AC_DEFINE_UNQUOTED(AVAHI_AUTOIPD_GROUP,"
  #
  # Avahi runtime dir
  #
 -avahi_runtime_dir="/run"
 +avahi_runtime_dir="${localstatedir}/run"
  avahi_socket="${avahi_runtime_dir}/avahi-daemon/socket"
- 
- 
+ AC_SUBST(avahi_runtime_dir)
+ AC_SUBST(avahi_socket)