diff --git a/libvirt.spec b/libvirt.spec
index eff3e68..fd3b85a 100644
--- a/libvirt.spec
+++ b/libvirt.spec
@@ -462,7 +462,7 @@ BuildRequires: wireshark-devel >= 1.12.1
 BuildRequires: libssh-devel >= 0.7.0
 %endif
 
-%if 0%{fedora} > 27 || 0%{rhel} > 7
+%if 0%{?fedora} > 27 || 0%{?rhel} > 7
 BuildRequires: rpcgen
 BuildRequires: tirpc-devel
 %endif