diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 2490377..34c9020 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -771,6 +771,24 @@
   filetype off
 endfunc
 
+func Test_tf_file()
+  filetype on
+
+  call writefile([';;; TF MUD client is super duper cool'], 'Xfile.tf')
+  split Xfile.tf
+  call assert_equal('tf', &filetype)
+  bwipe!
+
+  call writefile(['provider "azurerm" {'], 'Xfile.tf')
+  split Xfile.tf
+  call assert_equal('terraform', &filetype)
+  bwipe!
+
+  call delete('Xfile.tf')
+  filetype off
+endfunc
+
+
 func Test_ts_file()
   filetype on
 
diff --git a/src/version.c b/src/version.c
index 04afe95..fa2c419 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4238,
+/**/
     4237,
 /**/
     4236,