diff --git a/NetworkManager.spec b/NetworkManager.spec
index e48b925..ff2ab22 100644
--- a/NetworkManager.spec
+++ b/NetworkManager.spec
@@ -4,7 +4,11 @@
 %define glib2_version	2.32.0
 %define wireless_tools_version 1:28-0pre9
 %define libnl3_version 3.2.7
+
+%define ppp_version 2.4.5
+%if (0%{?fedora} && 0%{?fedora} > 20)
 %define ppp_version 2.4.6
+%endif
 
 %define snapshot .git20140620
 %define git_sha 63b0a2f5