diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index d8a7243..70c5402 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -2846,9 +2846,11 @@
 	    {
 		if (has_cmdmod(cmod, FALSE))
 		    *errormsg = _(e_command_modifier_without_command);
+#ifdef FEAT_EVAL
 		if (eap->cmd[0] == '#' && eap->cmd[1] == '{'
 							 && eap->cmd[2] != '{')
 		    *errormsg = _(e_cannot_use_hash_curly_to_start_comment);
+#endif
 	    }
 	    return FAIL;
 	}
diff --git a/src/version.c b/src/version.c
index 0a39e5d..813ff63 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    159,
+/**/
     158,
 /**/
     157,
diff --git a/src/vim9script.c b/src/vim9script.c
index e9c9b2c..6f84362 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -202,7 +202,11 @@
     int
 vim9_comment_start(char_u *p)
 {
+#ifdef FEAT_EVAL
     return p[0] == '#' && !vim9_bad_comment(p);
+#else
+    return p[0] == '#' && (p[1] != '{' || p[2] == '{');
+#endif
 }
 
 #if defined(FEAT_EVAL) || defined(PROTO)