diff --git a/sw/airborne/modules/ins/ins_xsens.c b/sw/airborne/modules/ins/ins_xsens.c
index ca9854fe7e..f20f690852 100644
--- a/sw/airborne/modules/ins/ins_xsens.c
+++ b/sw/airborne/modules/ins/ins_xsens.c
@@ -38,6 +38,7 @@
 #ifdef USE_GPS_XSENS
 #include "subsystems/gps.h"
 #include "math/pprz_geodetic_float.h"
+#include "subsystems/navigation/common_nav.h" /* needed for nav_utm_zone0 */
 #endif
 
 INS_FORMAT ins_x;