diff --git a/src/add-ons/kernel/drivers/graphics/radeon_hd/radeon_hd_private.h b/src/add-ons/kernel/drivers/graphics/radeon_hd/radeon_hd_private.h
index 916b973abf..eff8a872c8 100644
--- a/src/add-ons/kernel/drivers/graphics/radeon_hd/radeon_hd_private.h
+++ b/src/add-ons/kernel/drivers/graphics/radeon_hd/radeon_hd_private.h
@@ -32,7 +32,7 @@ struct radeon_info {
 	area_id			shared_area;
 
 	const char*		device_identifier;
-	uint32			device_chipset;
+	uint16			device_chipset;
 };