diff --git a/docs-xml/smbdotconf/logon/shutdownscript.xml b/docs-xml/smbdotconf/logon/shutdownscript.xml
index e66ed92193f..ea5b65fda81 100644
--- a/docs-xml/smbdotconf/logon/shutdownscript.xml
+++ b/docs-xml/smbdotconf/logon/shutdownscript.xml
@@ -1,6 +1,7 @@
 <samba:parameter name="shutdown script"
                  context="G"
-				 type="string"
+                 type="string"
+                 substitution="1"
                  xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
 <description>
 	<para>This a full path name to a script called by 
diff --git a/source3/rpc_server/winreg/srv_winreg_nt.c b/source3/rpc_server/winreg/srv_winreg_nt.c
index 0fdfa285e38..6c3270d886a 100644
--- a/source3/rpc_server/winreg/srv_winreg_nt.c
+++ b/source3/rpc_server/winreg/srv_winreg_nt.c
@@ -519,6 +519,8 @@ WERROR _winreg_InitiateSystemShutdown(struct pipes_struct *p,
 WERROR _winreg_InitiateSystemShutdownEx(struct pipes_struct *p,
 					struct winreg_InitiateSystemShutdownEx *r)
 {
+	const struct loadparm_substitution *lp_sub =
+		loadparm_s3_global_substitution();
 	char *shutdown_script = NULL;
 	char *msg = NULL;
 	char *chkmsg = NULL;
@@ -529,7 +531,7 @@ WERROR _winreg_InitiateSystemShutdownEx(struct pipes_struct *p,
 	int ret = -1;
 	bool can_shutdown = false;
 
-	shutdown_script = lp_shutdown_script(p->mem_ctx);
+	shutdown_script = lp_shutdown_script(p->mem_ctx, lp_sub);
 	if (!shutdown_script) {
 		return WERR_NOT_ENOUGH_MEMORY;
 	}