diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index dcf6007..5964ded 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -1943,6 +1943,12 @@
   CheckDefFailure(['echo tr("a", "a", 1)'], 'E1013: Argument 3: type mismatch, expected string but got number')
 enddef
 
+def Test_typename()
+  if has('float')
+    assert_equal('func([unknown], [unknown]): float', typename(function('pow')))
+  endif
+enddef
+
 def Test_undofile()
   CheckDefFailure(['undofile(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
   assert_equal('.abc.un~', fnamemodify(undofile('abc'), ':t'))
diff --git a/src/version.c b/src/version.c
index 39d8f14..10a5f71 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3134,
+/**/
     3133,
 /**/
     3132,
diff --git a/src/vim9type.c b/src/vim9type.c
index 5cf1f42..c4f3cd5 100644
--- a/src/vim9type.c
+++ b/src/vim9type.c
@@ -1166,7 +1166,7 @@
 
 	for (i = 0; i < type->tt_argcount; ++i)
 	{
-	    char *arg_free;
+	    char *arg_free = NULL;
 	    char *arg_type;
 	    int  len;