diff --git a/conf/autopilot/subsystems/fixedwing/i2c.makefile b/conf/autopilot/subsystems/fixedwing/i2c.makefile
new file mode 100644
index 0000000000..7a16bd4ebe
--- /dev/null
+++ b/conf/autopilot/subsystems/fixedwing/i2c.makefile
@@ -0,0 +1,3 @@
+#generic i2c driver
+ap.srcs += i2c.c $(SRC_ARCH)/i2c_hw.c
+sim.srcs += i2c.c $(SRC_ARCH)/i2c_hw.c