diff --git a/src/mainboard/amd/onyx_poc/devicetree.cb b/src/mainboard/amd/onyx_poc/devicetree.cb
index 27a22c6501..39c681d1c4 100644
--- a/src/mainboard/amd/onyx_poc/devicetree.cb
+++ b/src/mainboard/amd/onyx_poc/devicetree.cb
@@ -200,6 +200,7 @@ chip soc/amd/genoa_poc
 		end
 	end
 
+	device ref uart_0 on end
 	device ref uart_1 on end
 
 end