diff --git a/src/vim9compile.c b/src/vim9compile.c
index 5ade42a..bda1ab3 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -2620,7 +2620,8 @@
 	else if (*s == '\'')
 	    (void)eval_lit_string(&s, &argvars[0], TRUE);
 	s = skipwhite(s);
-	if (*s == ')' && argvars[0].v_type == VAR_STRING)
+	if (*s == ')' && argvars[0].v_type == VAR_STRING
+		&& !dynamic_feature(argvars[0].vval.v_string))
 	{
 	    typval_T	*tv = &ppconst->pp_tv[ppconst->pp_used];