diff --git a/sw/airborne/subsystems/ins/ins_int.c b/sw/airborne/subsystems/ins/ins_int.c
index ac4201226f..615baf620d 100644
--- a/sw/airborne/subsystems/ins/ins_int.c
+++ b/sw/airborne/subsystems/ins/ins_int.c
@@ -372,7 +372,7 @@ void ins_int_update_gps(struct GpsState *gps_s)
   }
 }
 #else
-void ins_int_update_gps(void) {}
+void ins_int_update_gps(struct GpsState *gps_s __attribute__((unused))) {}
 #endif /* USE_GPS */