diff --git a/src/cpu/intel/haswell/haswell.h b/src/cpu/intel/haswell/haswell.h
index 8298fb1..41cd5ba 100644
--- a/src/cpu/intel/haswell/haswell.h
+++ b/src/cpu/intel/haswell/haswell.h
@@ -183,7 +183,7 @@
 void * asmlinkage romstage_main(unsigned long bist);
 /* romstage_after_car() is the C function called after cache-as-ram has
  * been torn down. It is responsible for loading the ramstage. */
-void romstage_after_car(void);
+void asmlinkage romstage_after_car(void);
 #endif
 
 #ifdef __SMM__
diff --git a/src/cpu/intel/haswell/romstage.c b/src/cpu/intel/haswell/romstage.c
index 9154316..8b15ed5 100644
--- a/src/cpu/intel/haswell/romstage.c
+++ b/src/cpu/intel/haswell/romstage.c
@@ -259,7 +259,7 @@
 	}
 }
 
-void romstage_after_car(void)
+void asmlinkage romstage_after_car(void)
 {
 	/* Load the ramstage. */
 	run_ramstage();