diff --git a/src/modules/systemlib/mixer/mixer.h b/src/modules/systemlib/mixer/mixer.h
index 6494a314e7..864ce21a58 100644
--- a/src/modules/systemlib/mixer/mixer.h
+++ b/src/modules/systemlib/mixer/mixer.h
@@ -447,7 +447,7 @@ private:
  *
  * Values are generated by the multi_tables script and placed to mixer_multirotor.generated.h
  */
-using MultirotorGeometryUnderlyingType = unsigned int;
+typedef unsigned int MultirotorGeometryUnderlyingType;
 enum class MultirotorGeometry : MultirotorGeometryUnderlyingType;
 
 /**