diff --git a/src/cpu/intel/haswell/romstage.c b/src/cpu/intel/haswell/romstage.c
index ff57584..077e409 100644
--- a/src/cpu/intel/haswell/romstage.c
+++ b/src/cpu/intel/haswell/romstage.c
@@ -162,7 +162,7 @@
 	return slot;
 }
 
-void * __attribute__((regparm(0))) romstage_main(unsigned long bist)
+void * asmlinkage romstage_main(unsigned long bist)
 {
 	int i;
 	void *romstage_stack_after_car;