diff --git a/qclib.spec b/qclib.spec
index 34e6a8d..e729792 100644
--- a/qclib.spec
+++ b/qclib.spec
@@ -99,9 +99,9 @@ make test-sh
 %make_install LIBDIR=%{_lib} V=1
 make installdoc DESTDIR=%{buildroot} V=1
 
-%post -n libqclib1 -p ldconfig
+%post -n libqclib1 -p /sbin/ldconfig
 
-%postun -n libqclib1 -p ldconfig
+%postun -n libqclib1 -p /sbin/ldconfig
 
 %files
 %defattr(-,root,root)