diff --git a/src/evalfunc.c b/src/evalfunc.c
index d95a1db..ff81462 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -715,7 +715,7 @@
     {"js_encode",	1, 1, FEARG_1,	  ret_string,	f_js_encode},
     {"json_decode",	1, 1, FEARG_1,	  ret_any,	f_json_decode},
     {"json_encode",	1, 1, FEARG_1,	  ret_string,	f_json_encode},
-    {"keys",		1, 1, FEARG_1,	  ret_list_any,	f_keys},
+    {"keys",		1, 1, FEARG_1,	  ret_list_string, f_keys},
     {"last_buffer_nr",	0, 0, 0,	  ret_number,	f_last_buffer_nr}, // obsolete
     {"len",		1, 1, FEARG_1,	  ret_number,	f_len},
     {"libcall",		3, 3, FEARG_3,	  ret_string,	f_libcall},
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 3e72120..75db260 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1283,6 +1283,11 @@
   assert_equal(6, res)
 enddef
 
+def Test_keys_return_type()
+  const var: list<string> = #{a: 1, b: 2}->keys()
+  assert_equal(['a', 'b'], var)
+enddef
+
 def Test_reverse_return_type()
   let l = reverse([1, 2, 3])
   let res = 0
diff --git a/src/version.c b/src/version.c
index a8a1d49..11dd396 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1447,
+/**/
     1446,
 /**/
     1445,