diff --git a/xCATsn/xCATsn.spec b/xCATsn/xCATsn.spec
index a76cb03e4..99760ab64 100644
--- a/xCATsn/xCATsn.spec
+++ b/xCATsn/xCATsn.spec
@@ -138,13 +138,17 @@ else # SuSE
     apachedaemon='apache2'
 fi
 
-# start xcatd
+# start xcatd on linux
     chkconfig $apachedaemon on
 if [ -f "/proc/cmdline" ]; then   # prevent running it during install into chroot image
     	XCATROOT=$RPM_INSTALL_PREFIX0 /etc/init.d/xcatd restart
 		/etc/init.d/$apachedaemon reload 
 	fi
     echo "xCATsn is now installed"
+%else
+# start xcatd on  AIX
+  XCATROOT=$RPM_INSTALL_PREFIX0 $RPM_INSTALL_PREFIX0/sbin/restartxcatd 
+
 %endif
 fi