diff --git a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb
index 42e612803e..88c7d42059 100644
--- a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb
+++ b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb
@@ -162,7 +162,9 @@ chip soc/amd/cezanne
 			register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_21)"
 			register "wake" = "GEVENT_5"
 			register "uart" = "ACPI_UART_RAW_DEVICE(3000000, 64)"
-			device generic 0 on end
+			device generic 0 on
+				probe FP FP_PRESENT
+			end
 		end
 	end