diff --git a/src/term.c b/src/term.c
index 0416acc..1542045 100644
--- a/src/term.c
+++ b/src/term.c
@@ -6591,6 +6591,8 @@
 replace_termcodes(
     char_u	*from,
     char_u	**bufp,
+    scid_T	sid_arg UNUSED,	// script ID to use for <SID>,
+				// or 0 to use current_sctx
     int		flags,
     int		*did_simplify)
 {
@@ -6660,12 +6662,12 @@
 	     */
 	    if (STRNICMP(src, "<SID>", 5) == 0)
 	    {
-		if (current_sctx.sc_sid <= 0)
+		if (sid_arg < 0 || (sid_arg == 0 && current_sctx.sc_sid <= 0))
 		    emsg(_(e_using_sid_not_in_script_context));
 		else
 		{
 		    char_u  *dot;
-		    long    sid = current_sctx.sc_sid;
+		    long    sid = sid_arg != 0 ? sid_arg : current_sctx.sc_sid;
 
 		    src += 5;
 		    if (in_vim9script()