diff --git a/SPECS/tcl.spec b/SPECS/tcl.spec
index f05d85e..8ade148 100644
--- a/SPECS/tcl.spec
+++ b/SPECS/tcl.spec
@@ -115,6 +115,7 @@ find generic unix -name "*.h" -exec cp -p '{}' %{buildroot}/%{_includedir}/%{nam
 # remove buildroot traces
 sed -i -e "s|$PWD/unix|%{_libdir}|; s|$PWD|%{_includedir}/%{name}-private|" %{buildroot}/%{_libdir}/%{name}Config.sh
 rm -rf %{buildroot}/%{_datadir}/%{name}%{majorver}/ldAix
+chmod +w %{buildroot}/%{_libdir}/libtcl%{majorver}.so
 
 %ldconfig_scriptlets