diff --git a/src/evalfunc.c b/src/evalfunc.c
index 6314252..71e3448 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -3769,14 +3769,17 @@
     if (func == NULL || *func == NUL)
 	return;		// type error, empty name or null function
 
-    char_u	*p = func;
-    tofree = trans_function_name(&p, NULL, FALSE, TFN_INT|TFN_QUIET);
-    if (tofree == NULL)
+    if (argvars[0].v_type == VAR_STRING)
     {
-	emsg_funcname(e_unknown_function_str, func);
-	return;
+	char_u	*p = func;
+	tofree = trans_function_name(&p, NULL, FALSE, TFN_INT|TFN_QUIET);
+	if (tofree == NULL)
+	{
+	    emsg_funcname(e_unknown_function_str, func);
+	    return;
+	}
+	func = tofree;
     }
-    func = tofree;
 
     if (argvars[2].v_type != VAR_UNKNOWN)
     {
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index 8b0af91..9fc954c 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -2990,6 +2990,8 @@
 func Test_call()
   call assert_equal(3, call('len', [123]))
   call assert_equal(3, 'len'->call([123]))
+  call assert_equal(4, call({ x -> len(x) }, ['xxxx']))
+  call assert_equal(2, call(function('len'), ['xx']))
   call assert_fails("call call('len', 123)", 'E1211:')
   call assert_equal(0, call('', []))
   call assert_equal(0, call('len', test_null_list()))
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 38832e9..4e31f34 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
Binary files differ
diff --git a/src/version.c b/src/version.c
index 13ffc5d..39c0aa6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1017,
+/**/
     1016,
 /**/
     1015,