diff --git a/src/modules/module-zeroconf-discover/avahi-poll.c b/src/modules/module-zeroconf-discover/avahi-poll.c
index 033d16a9f..c6550137f 100644
--- a/src/modules/module-zeroconf-discover/avahi-poll.c
+++ b/src/modules/module-zeroconf-discover/avahi-poll.c
@@ -187,5 +187,7 @@ AvahiPoll* pw_avahi_poll_new(struct pw_loop *loop)
 
 void pw_avahi_poll_free(AvahiPoll *p)
 {
-	free(p);
+	struct impl *impl = SPA_CONTAINER_OF(p, struct impl, api);
+
+	free(impl);
 }