diff --git a/arch/arm/dts/imx6ull-colibri.dtsi b/arch/arm/dts/imx6ull-colibri.dtsi
index 1fa9d10412ef0ff90a80edbfd57bf251933aa425..56ee2895ae564d42d06677e1b11eca84317c5b76 100644
--- a/arch/arm/dts/imx6ull-colibri.dtsi
+++ b/arch/arm/dts/imx6ull-colibri.dtsi
@@ -8,6 +8,12 @@
 #include "imx6ull.dtsi"
 
 / {
+	/* Ethernet aliases to ensure correct MAC addresses */
+	aliases {
+		ethernet0 = &fec2;
+		ethernet1 = &fec1;
+	};
+
 	chosen {
 		stdout-path = &uart1;
 	};