diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 43ce3b0c4921..437ddbf0c49a 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -544,10 +544,8 @@ static void acpi_bus_osc_support(void)
 	capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT;
 #endif
 
-#ifdef CONFIG_ACPI_APEI_GHES
 	if (!ghes_disable)
 		capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_APEI_SUPPORT;
-#endif
 	if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
 		return;
 	if (ACPI_SUCCESS(acpi_run_osc(handle, &context))) {
diff --git a/include/acpi/apei.h b/include/acpi/apei.h
index d40bc5521fcb..51a527d24a8a 100644
--- a/include/acpi/apei.h
+++ b/include/acpi/apei.h
@@ -18,7 +18,11 @@
 
 extern int hest_disable;
 extern int erst_disable;
+#ifdef CONFIG_ACPI_APEI_GHES
 extern int ghes_disable;
+#else
+#define ghes_disable 1
+#endif
 
 #ifdef CONFIG_ACPI_APEI
 void __init acpi_hest_init(void);