diff --git a/zerotier-one.spec b/zerotier-one.spec
index 59fd2484b..0a3b0458d 100644
--- a/zerotier-one.spec
+++ b/zerotier-one.spec
@@ -27,6 +27,7 @@ Requires:       chkconfig
 
 %if 0%{?fedora} >= 21
 Requires:       systemd
+Requires(pre): /usr/sbin/useradd, /usr/bin/getent
 %endif
 
 %description