diff --git a/tcsh.spec b/tcsh.spec
index 15ea533..befb27d 100644
--- a/tcsh.spec
+++ b/tcsh.spec
@@ -113,14 +113,14 @@ make %{?_smp_mflags} -C nls catalogs
 
 
 %install
-mkdir -p ${RPM_BUILD_ROOT}%{_mandir}/man1 ${RPM_BUILD_ROOT}%{_bindir}
-install -p -m 755 tcsh     ${RPM_BUILD_ROOT}%{_bindir}/tcsh
-install -p -m 644 tcsh.man ${RPM_BUILD_ROOT}%{_mandir}/man1/tcsh.1
-ln -sf tcsh                ${RPM_BUILD_ROOT}%{_bindir}/csh
-ln -sf tcsh.1              ${RPM_BUILD_ROOT}%{_mandir}/man1/csh.1
+mkdir -p %{buildroot}%{_mandir}/man1 %{buildroot}%{_bindir}
+install -p -m 755 tcsh     %{buildroot}%{_bindir}/tcsh
+install -p -m 644 tcsh.man %{buildroot}%{_mandir}/man1/tcsh.1
+ln -sf tcsh                %{buildroot}%{_bindir}/csh
+ln -sf tcsh.1              %{buildroot}%{_mandir}/man1/csh.1
 
 while read lang language ; do
-  dest=${RPM_BUILD_ROOT}%{_datadir}/locale/$lang/LC_MESSAGES
+  dest=%{buildroot}%{_datadir}/locale/$lang/LC_MESSAGES
   if test -f nls/$language.cat ; then
     mkdir -p $dest
     install -p -m 644 nls/$language.cat $dest/tcsh