diff --git a/libmspack.spec b/libmspack.spec
index aff70b3..5eea5b0 100644
--- a/libmspack.spec
+++ b/libmspack.spec
@@ -49,7 +49,7 @@ make install DESTDIR=$RPM_BUILD_ROOT INSTALL='install -p'
 rm $RPM_BUILD_ROOT%{_libdir}/libmspack.la
 
 # avoid conflict with expand from coreutils
-libtool --mode=install install -D -p -m 755 test/expand $RPM_BUILD_ROOT%{_bindir}/msexpand
+./libtool --mode=install install -D -p -m 755 test/expand $RPM_BUILD_ROOT%{_bindir}/msexpand
 
 iconv -f ISO_8859-1 -t utf8 ChangeLog --output Changelog.utf8
 touch -r ChangeLog Changelog.utf8