diff --git a/libheimdal.spec b/libheimdal.spec
index 9a36409..bafa973 100644
--- a/libheimdal.spec
+++ b/libheimdal.spec
@@ -106,6 +106,9 @@ shopt -u extglob
 
 %postun
 /sbin/ldconfig
+
+%preun
+/sbin/ldconfig
 %install_info_delete --info-dir=%{_infodir} %{_infodir}/heimdal.info.gz
 %install_info_delete --info-dir=%{_infodir} %{_infodir}/hx509.info.gz