diff --git a/src/messaging/message.hpp b/src/messaging/message.hpp
index c07c9ca3..120aca27 100644
--- a/src/messaging/message.hpp
+++ b/src/messaging/message.hpp
@@ -214,6 +214,7 @@ public:
 		FLAG_DELETED = (1 << 2),   /**< Message is marked for deletion. */
 		FLAG_REPLIED = (1 << 3),   /**< User replied to this message. */
 		FLAG_MARKED  = (1 << 4),   /**< Used-defined flag. */
+		FLAG_PASSED  = (1 << 5),   /**< Message has been resent/forwarded/bounced. */
 
 		FLAG_UNDEFINED = 9999      /**< Used internally (this should not be returned
 		                                by the flags() function). */