diff --git a/arch/arm/boards/radxa-rock/board.c b/arch/arm/boards/radxa-rock/board.c
index 691f243..3d9b5be 100644
--- a/arch/arm/boards/radxa-rock/board.c
+++ b/arch/arm/boards/radxa-rock/board.c
@@ -84,4 +84,4 @@
 
 	return 0;
 }
-core_initcall(hostname_init);
+postcore_initcall(hostname_init);