diff --git a/flight/OpenPilot/Makefile.posix b/flight/OpenPilot/Makefile.posix
index 6e6cd45aa..a7700e269 100644
--- a/flight/OpenPilot/Makefile.posix
+++ b/flight/OpenPilot/Makefile.posix
@@ -162,6 +162,8 @@ SRC += $(OPUAVOBJ)/gpssatellites.c
 SRC += $(OPUAVOBJ)/attitudesettings.c
 SRC += $(OPUAVOBJ)/vtolsettings.c
 SRC += $(OPUAVOBJ)/vtolstatus.c
+SRC += $(OPUAVOBJ)/mixersettings.c
+SRC += $(OPUAVOBJ)/mixerstatus.c
 endif
 
 ## PIOS Hardware (posix)