diff --git a/boards/arm/warp7_m4/pinmux.c b/boards/arm/warp7_m4/pinmux.c
index f0c3a45b63c..28153ad0c41 100644
--- a/boards/arm/warp7_m4/pinmux.c
+++ b/boards/arm/warp7_m4/pinmux.c
@@ -20,7 +20,7 @@ static int warp7_m4_pinmux_init(struct device *dev)
 		IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_RD0_DSE(0);
 #endif
 
-#ifdef DT_ALIAS_SW0_GPIOS_PIN
+#if DT_PHA_HAS_CELL(DT_ALIAS(sw0), gpios, pin)
 	IOMUXC_SW_MUX_CTL_PAD_ENET1_RGMII_RD1 =
 		IOMUXC_SW_MUX_CTL_PAD_ENET1_RGMII_RD1_MUX_MODE(5);
 #endif