diff --git a/CMakeLists.txt b/CMakeLists.txt
index d226d2648e..c439b304dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,5 +48,7 @@ px4_add_module(
 		EKF/covariance.cpp
 		EKF/vel_pos_fusion.cpp
 		EKF/mag_fusion.cpp
+	DEPENDS
+		platforms__common
 	)
 # vim: set noet ft=cmake fenc=utf-8 ff=unix :