diff --git a/ldap2dns.spec.in b/ldap2dns.spec.in
index fb80f60..e004da5 100644
--- a/ldap2dns.spec.in
+++ b/ldap2dns.spec.in
@@ -40,7 +40,8 @@ ldap2dns is designed to write the text data files used by tinydns, but also
 may be used to write zone files used by Bind.
 
 # RedHat defaults to building the debug_package while SuSE does not
-%if %{undefined suse_version}
+# If we detect SuSE then build the debug_package
+%if 0%{?suse_version}
 %debug_package
 %endif