diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h
index 0833371d83..9dc9675bd6 100644
--- a/src/arch/x86/include/arch/acpigen.h
+++ b/src/arch/x86/include/arch/acpigen.h
@@ -66,6 +66,6 @@ int acpigen_write_resourcetemplate_footer(int len);
 int acpigen_write_mainboard_resource_template(void);
 int acpigen_write_mainboard_resources(const char *scope, const char *name);
 
-int get_cst_entries(struct cst_entry **) __attribute__((weak));
+int get_cst_entries(struct cst_entry **);
 
 #endif
diff --git a/src/cpu/intel/speedstep/acpi.c b/src/cpu/intel/speedstep/acpi.c
index 8f32e4f630..00c4ae937c 100644
--- a/src/cpu/intel/speedstep/acpi.c
+++ b/src/cpu/intel/speedstep/acpi.c
@@ -62,7 +62,7 @@ static int get_fsb(void)
 	return 200;
 }
 
-int get_cst_entries(struct cst_entry **entries __attribute__((unused)))
+int __attribute__((weak)) get_cst_entries(struct cst_entry **entries __attribute__((unused)))
 {
 	return 0;
 }