diff --git a/hcl/printer/printer_test.go b/hcl/printer/printer_test.go
index f39eddab..a00a8257 100644
--- a/hcl/printer/printer_test.go
+++ b/hcl/printer/printer_test.go
@@ -153,6 +153,7 @@ func TestFormatValidOutput(t *testing.T) {
 	cases := []string{
 		"#\x00",
 		"#\ue123t",
+		"Y=<<4\n4/\n\n\n/4/@=4/\n\n\n/4000000004\r\r\n00004\n",
 	}
 
 	for _, c := range cases {
diff --git a/hcl/printer/testdata/object_with_heredoc.golden b/hcl/printer/testdata/object_with_heredoc.golden
index 7e92243f..a271d289 100644
--- a/hcl/printer/testdata/object_with_heredoc.golden
+++ b/hcl/printer/testdata/object_with_heredoc.golden
@@ -1,6 +1,7 @@
 obj {
   foo = [<<EOF
         TEXT!
+!!EOF
 EOF
   ]
 }
diff --git a/hcl/printer/testdata/object_with_heredoc.input b/hcl/printer/testdata/object_with_heredoc.input
index d70a05ac..a35f24f2 100644
--- a/hcl/printer/testdata/object_with_heredoc.input
+++ b/hcl/printer/testdata/object_with_heredoc.input
@@ -1,6 +1,7 @@
 obj {
     foo = [<<EOF
         TEXT!
+!!EOF
 EOF
     ]
 }