diff --git a/xCAT/xCAT.spec b/xCAT/xCAT.spec
index c2c96b87c..991c3d0cf 100644
--- a/xCAT/xCAT.spec
+++ b/xCAT/xCAT.spec
@@ -91,6 +91,8 @@ tar -xf postscripts.tar
 rm postscripts.tar
 %endif
 
+chmod 755 $RPM_BUILD_ROOT/install/postscripts/*
+
 rm LICENSE.html
 mkdir -p postscripts/hostkeys
 cd -