diff --git a/target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/tl_wdr4900_v1.c b/target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/tl_wdr4900_v1.c
index 0b2ebcd0027..87a97e65c89 100644
--- a/target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/tl_wdr4900_v1.c
+++ b/target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/tl_wdr4900_v1.c
@@ -121,11 +121,8 @@ machine_arch_initcall(tl_wdr4900_v1, mpc85xx_common_publish_devices);
  */
 static int __init tl_wdr4900_v1_probe(void)
 {
-	unsigned long root = of_get_flat_dt_root();
-
-	if (of_flat_dt_is_compatible(root, "tplink,tl-wdr4900-v1"))
+	if (of_machine_is_compatible("tplink,tl-wdr4900-v1"))
 		return 1;
-
 	return 0;
 }