2 files changed, 6 insertions, 2 deletions
diff --git a/src/PhpBB3Impl.php b/src/PhpBB3Impl.php
index 59f052f..7e8595a 100644
--- a/src/PhpBB3Impl.php
+++ b/src/PhpBB3Impl.php
@@ -206,7 +206,7 @@ class PhpBB3Impl implements PhpBB3 {
     $listTag = '[messages]';
     $forumName = $this->getForumName($forumId);
     $forumTag = '[' . html_entity_decode($forumName, ENT_QUOTES) . ']';
-    $subject = build_post_subject($listTag, $forumTag, $subject);
+    $subject = build_post_subject($listTag, $forumTag, $subject, $postType == 'reply');
 
     list($message, $attachments) = $msg->getFlattenedParts();
 
diff --git a/src/build_post.php b/src/build_post.php
index 9039dcb..d889b92 100644
--- a/src/build_post.php
+++ b/src/build_post.php
@@ -1,6 +1,6 @@
 <?php
 
-function build_post_subject($listtag, $forumtag, $subject) {
+function build_post_subject($listtag, $forumtag, $subject, $reply) {
   // strip the '[list]' and '[forum]' tags
   $tagpat = '/(' . preg_quote($listtag, '/') .
              '|' . preg_quote($forumtag, '/') . ')\\s*/';
@@ -18,6 +18,10 @@ function build_post_subject($listtag, $forumtag, $subject) {
     $subject = '(no subject)';
   }
 
+  if ($reply) {
+    $subject = 'Re: ' . $subject;
+  }
+
   return $subject;
 }