diff --git a/xmpp-parsers/src/jingle.rs b/xmpp-parsers/src/jingle.rs
index 94edfc7bebdb91c59737ef843ee9937efff17262..8d64a220abb00817b207d601991934d4178d2907 100644
--- a/xmpp-parsers/src/jingle.rs
+++ b/xmpp-parsers/src/jingle.rs
@@ -691,7 +691,7 @@ mod tests {
         assert_size!(Senders, 1);
         assert_size!(Disposition, 1);
         assert_size!(ContentId, 24);
-        assert_size!(Content, 384);
+        assert_size!(Content, 408);
         assert_size!(Reason, 1);
         assert_size!(ReasonElement, 32);
         assert_size!(SessionId, 24);