diff --git a/os/nil/ports/AVR/compilers/GCC/mk/port.mk b/os/nil/ports/AVR/compilers/GCC/mk/port.mk
new file mode 100644
index 000000000..0eaec1a5f
--- /dev/null
+++ b/os/nil/ports/AVR/compilers/GCC/mk/port.mk
@@ -0,0 +1,7 @@
+# List of the ChibiOS/RT AVR port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/AVR/nilcore.c
+
+PORTASM = 
+
+PORTINC = ${CHIBIOS}/os/nil/ports/AVR \
+          ${CHIBIOS}/os/nil/ports/AVR/compilers/GCC