diff --git a/lib/poparser/header.rb b/lib/poparser/header.rb
index 71ad482..fd85339 100644
--- a/lib/poparser/header.rb
+++ b/lib/poparser/header.rb
@@ -7,7 +7,7 @@ class Header
 
     def initialize(entry)
       @entry            = entry
-      @comments         = entry.translator_comment.value
+      @comments         = entry.translator_comment.value unless entry.translator_comment.nil?
       @original_configs = convert_msgstr_to_hash(entry.msgstr)
       @flag             = entry.flag