diff --git a/src/evalvars.c b/src/evalvars.c
index 894ee28..227253e 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -2541,8 +2541,10 @@
 	return &curtab->tp_vars->dv_hashtab;
     if (*name == 'v')				// v: variable
 	return &vimvarht;
-    if (current_sctx.sc_version != SCRIPT_VERSION_VIM9)
+    if (get_current_funccal() != NULL
+			      && get_current_funccal()->func->uf_dfunc_idx < 0)
     {
+	// a: and l: are only used in functions defined with ":function"
 	if (*name == 'a')			// a: function argument
 	    return get_funccal_args_ht();
 	if (*name == 'l')			// l: local function variable
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 3f0773b..53ee511 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -178,6 +178,15 @@
   call assert_fails('call MyDefaultArgs("one", "two")', 'E118:')
 endfunc
 
+func TakesOneArg(arg)
+  echo a:arg
+endfunc
+
+def Test_call_wrong_arg_count()
+  call CheckDefFailure(['TakesOneArg()'], 'E119:')
+  call CheckDefFailure(['TakesOneArg(11, 22)'], 'E118:')
+enddef
+
 " Default arg and varargs
 def MyDefVarargs(one: string, two = 'foo', ...rest: list<string>): string
   let res = one .. ',' .. two
@@ -194,13 +203,12 @@
   assert_equal('one,two,three', MyDefVarargs('one', 'two', 'three'))
 enddef
 
+def Test_call_func_defined_later()
+  call assert_equal('one', DefinedLater('one'))
+  call assert_fails('call NotDefined("one")', 'E117:')
+enddef
 
-"def Test_call_func_defined_later()
-"  call assert_equal('one', DefineLater('one'))
-"  call assert_fails('call NotDefined("one")', 'E99:')
-"enddef
-
-func DefineLater(arg)
+func DefinedLater(arg)
   return a:arg
 endfunc
 
diff --git a/src/version.c b/src/version.c
index beceb6d..258cab2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    322,
+/**/
     321,
 /**/
     320,
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 32d6349..35f20c4 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -1545,7 +1545,8 @@
 	cctx_T *cctx,
 	char_u *name,	    // variable NUL terminated
 	char_u *start,	    // start of variable
-	char_u **end)	    // end of variable
+	char_u **end,	    // end of variable
+	int    error)	    // when TRUE may give error
 {
     scriptitem_T    *si = SCRIPT_ITEM(current_sctx.sc_sid);
     int		    idx = get_script_item_idx(current_sctx.sc_sid, name, FALSE);
@@ -1606,7 +1607,8 @@
 	return OK;
     }
 
-    semsg(_("E1050: Item not found: %s"), name);
+    if (error)
+	semsg(_("E1050: Item not found: %s"), name);
     return FAIL;
 }
 
@@ -1642,7 +1644,7 @@
 	}
 	else if (**arg == 's')
 	{
-	    res = compile_load_scriptvar(cctx, name, NULL, NULL);
+	    res = compile_load_scriptvar(cctx, name, NULL, NULL, error);
 	}
 	else
 	{
@@ -1698,7 +1700,7 @@
 		else if (SCRIPT_ITEM(current_sctx.sc_sid)->sn_version
 							== SCRIPT_VERSION_VIM9)
 		    // in Vim9 script "var" can be script-local.
-		   res = compile_load_scriptvar(cctx, name, *arg, &end);
+		   res = compile_load_scriptvar(cctx, name, *arg, &end, error);
 	    }
 	}
 	if (gen_load)
@@ -3465,7 +3467,8 @@
 		    generate_LOAD(cctx, ISN_LOADG, 0, name + 2, type);
 		    break;
 		case dest_script:
-		    compile_load_scriptvar(cctx, name + (name[1] == ':' ? 2 : 0), NULL, NULL);
+		    compile_load_scriptvar(cctx,
+			    name + (name[1] == ':' ? 2 : 0), NULL, NULL, TRUE);
 		    break;
 		case dest_env:
 		    // Include $ in the name here