diff --git a/src/coding.c b/src/coding.c
index 2c6b2c4d05..3dd5f3b1c1 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -7820,9 +7820,7 @@ code_conversion_save (bool with_work_buf, bool multibyte)
     {
       if (reused_workbuf_in_use)
 	{
-	  Lisp_Object name
-	    = Fgenerate_new_buffer_name (Vcode_conversion_workbuf_name, Qnil);
-	  workbuf = Fget_buffer_create (name);
+          workbuf = Fgenerate_new_buffer (Vcode_conversion_workbuf_name, Qt);
 	}
       else
 	{