diff --git a/include/proto/session.h b/include/proto/session.h
index f1e33fa..2ff8e38 100644
--- a/include/proto/session.h
+++ b/include/proto/session.h
@@ -126,7 +126,7 @@
 		conn->owner = NULL;
 		if (!srv_add_to_idle_list(objt_server(conn->target), conn)) {
 			/* The server doesn't want it, let's kill the connection right away */
-			conn->mux->destroy(conn);
+			conn->mux->destroy(conn->ctx);
 			return -1;
 		} else
 			conn->flags &= ~CO_FL_SESS_IDLE;
diff --git a/include/types/connection.h b/include/types/connection.h
index af27d0c..ab1f8be 100644
--- a/include/types/connection.h
+++ b/include/types/connection.h
@@ -346,7 +346,7 @@
 	int (*unsubscribe)(struct conn_stream *cs, int event_type, void *param); /* Unsubscribe to events */
 	int (*avail_streams)(struct connection *conn); /* Returns the number of streams still available for a connection */
 	int (*used_streams)(struct connection *conn);  /* Returns the number of streams in use on a connection. */
-	void (*destroy)(struct connection *conn); /* Let the mux know one of its users left, so it may have to disappear */
+	void (*destroy)(void *ctx); /* Let the mux know one of its users left, so it may have to disappear */
 	void (*reset)(struct connection *conn); /* Reset the mux, because we're re-trying to connect */
 	const struct cs_info *(*get_cs_info)(struct conn_stream *cs); /* Return info on the specified conn_stream or NULL if not defined */
 	unsigned int flags;                           /* some flags characterizing the mux's capabilities (MX_FL_*) */