diff --git a/include/generic-phy.h b/include/generic-phy.h
index ff48b37081..d40ce589b6 100644
--- a/include/generic-phy.h
+++ b/include/generic-phy.h
@@ -155,7 +155,7 @@ struct phy_bulk {
 	unsigned int count;
 };
 
-#ifdef CONFIG_PHY
+#if CONFIG_IS_ENABLED(PHY)
 
 /**
  * generic_phy_init() - initialize the PHY port