Index: src/bp-messages/bp-messages-functions.php
--- src/bp-messages/bp-messages-functions.php
+++ src/bp-messages/bp-messages-functions.php
@@ -443,7 +443,7 @@
  *
  * @see add_metadata() for full documentation excluding $meta_type variable.
  */
-function bp_message_add_meta( $message_id, $meta_key, $meta_value, $unique = false ) {
+function bp_messages_add_meta( $message_id, $meta_key, $meta_value, $unique = false ) {
 	add_filter( 'query', 'bp_filter_metaid_column_name' );
 	$retval = add_metadata( 'message', $message_id, $meta_key, $meta_value, $unique );
 	remove_filter( 'query', 'bp_filter_metaid_column_name' );
}