diff --git a/nss-mdns.spec b/nss-mdns.spec
index 3f9cba4..94fc431 100644
--- a/nss-mdns.spec
+++ b/nss-mdns.spec
@@ -38,7 +38,7 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %post
-/sbin/ldconfig
+%{?ldconfig}
 # sed-fu to add mdns4_minimal to the hosts line of /etc/nsswitch.conf
 if [ -f /etc/nsswitch.conf ] ; then
 	sed -i.bak '
@@ -57,7 +57,7 @@ if [ "$1" -eq 0 -a -f /etc/nsswitch.conf ] ; then
 	' /etc/nsswitch.conf
 fi
 
-%postun -p /sbin/ldconfig
+%ldconfig_postun
 
 
 %files