diff --git a/library/includes/functions.php b/library/includes/functions.php
index 1957bf992..5ef3e8a43 100644
--- a/library/includes/functions.php
+++ b/library/includes/functions.php
@@ -1875,7 +1875,7 @@ function send_pm($user_id, $subject, $message, $poster_id = BOT_UID)
     $message = DB()->escape($message);
 
     if ($poster_id == BOT_UID) {
-        $poster_ip = '7f000001';
+        $poster_ip = '0';
     } elseif ($row = DB()->fetch_row("SELECT user_reg_ip FROM " . BB_USERS . " WHERE user_id = $poster_id")) {
         $poster_ip = $row['user_reg_ip'];
     } else {
diff --git a/src/Legacy/Post.php b/src/Legacy/Post.php
index a44b147d3..0a08cb3d2 100644
--- a/src/Legacy/Post.php
+++ b/src/Legacy/Post.php
@@ -437,7 +437,7 @@ class Post
         $post_time = TIMENOW;
 
         $poster_id = BOT_UID;
-        $poster_ip = '7f000001';
+        $poster_ip = '0';
 
         if ($mode == 'after_move') {
             if (!$forum_id || !$old_forum_id) {