diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 7053f1b9fc1d..c0f9cf9768ea 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -250,7 +250,7 @@ static inline int acpi_processor_hotadd_init(struct acpi_processor *pr)
 
 static int acpi_processor_get_info(struct acpi_device *device)
 {
-	union acpi_object object = { 0 };
+	union acpi_object object = { .processor = { 0 } };
 	struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
 	struct acpi_processor *pr = acpi_driver_data(device);
 	int device_declaration = 0;