diff --git a/conf/machine/include/nanopi-m4.inc b/conf/machine/include/nanopi-m4.inc
index 7ca91db..b5251a1 100644
--- a/conf/machine/include/nanopi-m4.inc
+++ b/conf/machine/include/nanopi-m4.inc
@@ -1,7 +1,7 @@
 # Copyright (C) 2021 Blade SAS
 # Common definitions for all NanoPi M4 RK3399 board variants
 
-require rk3399.inc
+require conf/machine/include/rk3399.inc
 
 MACHINE_FEATURES += "usbhost serial"