diff --git a/rpm.spec b/rpm.spec
index 17dc794..87e04ba 100644
--- a/rpm.spec
+++ b/rpm.spec
@@ -17,9 +17,7 @@
 
 
 #Compat macro for new _fillupdir macro introduced in Nov 2017
-%if ! %{defined _fillupdir}
-  %define _fillupdir /var/adm/fillup-templates
-%endif
+%{?!_fillupdir:%define _fillupdir /var/adm/fillup-templates}
 
 Name:           rpm
 BuildRequires:  binutils