diff --git a/xCAT-server/xCAT-server.spec b/xCAT-server/xCAT-server.spec
index 1efc871bb..5e8d6fcbd 100644
--- a/xCAT-server/xCAT-server.spec
+++ b/xCAT-server/xCAT-server.spec
@@ -104,6 +104,9 @@ chmod 644 $RPM_BUILD_ROOT/%{prefix}/lib/perl/xCAT_plugin/*
 
 cp lib/perl/xCAT/* $RPM_BUILD_ROOT/%{prefix}/lib/perl/xCAT
 chmod 644 $RPM_BUILD_ROOT/%{prefix}/lib/perl/xCAT/*
+
+chmod 755 $RPM_BUILD_ROOT/%{prefix}/share/xcat/netboot/sles/*.postinstall
+
 set -x
 
 # For now, don't ship these plugins - to avoid AIX dependency.