diff --git a/imsettings.spec b/imsettings.spec
index 5302b93..7fe765f 100644
--- a/imsettings.spec
+++ b/imsettings.spec
@@ -1,6 +1,6 @@
 Name:		imsettings
 Version:	1.7.3
-Release:	3%{?dist}
+Release:	4%{?dist}
 License:	LGPLv2+
 URL:		https://tagoh.bitbucket.org/%{name}/
 BuildRequires:	desktop-file-utils
@@ -243,8 +243,7 @@ if [ "$1" = 0 ]; then
 	systemctl reload dbus.service 2>&1 || :
 fi
 
-%post libs -p /sbin/ldconfig
-%postun libs -p /sbin/ldconfig
+%ldconfig_scriptlets	libs
 
 %files	-f %{name}.lang
 %license COPYING
@@ -321,6 +320,9 @@ fi
 
 
 %changelog
+* Fri Jun 29 2018 Akira TAGOH <tagoh@redhat.com> - 1.7.3-4
+- Use ldconfig rpm macro.
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.7.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild