diff --git a/c4project.spec b/c4project.spec
index 563c0f4..cc328dd 100644
--- a/c4project.spec
+++ b/c4project.spec
@@ -41,8 +41,7 @@ rm -rvf 'bm-xp'
 
 
 %install
-install -d %{buildroot}%{_datadir}/cmake/%{name}
-cp -rp * %{buildroot}%{_datadir}/cmake/%{name}
+install -t %{buildroot}%{_datadir}/cmake/%{name} -D -p -m 0644 *
 
 
 %check