diff --git a/src/mux_h2.c b/src/mux_h2.c
index c3cd1e1..e4005a2 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -3854,7 +3854,8 @@
 __attribute__((constructor))
 static void __h2_init(void)
 {
-	hap_register_post_deinit(__h2_deinit);
 	pool_head_h2c = create_pool("h2c", sizeof(struct h2c), MEM_F_SHARED);
 	pool_head_h2s = create_pool("h2s", sizeof(struct h2s), MEM_F_SHARED);
 }
+
+REGISTER_POST_DEINIT(__h2_deinit);