diff --git a/mk/make.inc b/mk/make.inc
index 9a72da2bac..291be51cfd 100644
--- a/mk/make.inc
+++ b/mk/make.inc
@@ -6,3 +6,5 @@ LIBRARIES += AP_FlashStorage
 LIBRARIES += SRV_Channel
 LIBRARIES += AP_UAVCAN
 LIBRARIES += AP_ADC
+LIBRARIES += AP_Airspeed
+