diff --git a/twitter_post/twitter_post.module b/twitter_post/twitter_post.module
index 0effd13..73c6240 100644
--- a/twitter_post/twitter_post.module
+++ b/twitter_post/twitter_post.module
@@ -94,6 +94,9 @@ function twitter_post_node_insert($node) {
       $replacements['!tinyurl'] = twitter_shorten_url(url('node/' . $node->nid, array('absolute' => TRUE)));
     }
 
+    // Modify replacement from other modules
+    drupal_alter('twitter_post_replacement', $replacements, $node);
+
     $status = strtr($node->twitter['status'], $replacements);
     if (twitter_set_status($twitter_account, $status)) {
       drupal_set_message(t('Successfully posted to Twitter'));