diff --git a/libraries/AP_HAL_PX4/examples/simple/simple.pde b/libraries/AP_HAL_PX4/examples/simple/simple.pde
index 636b32976c..e3a1355ea9 100644
--- a/libraries/AP_HAL_PX4/examples/simple/simple.pde
+++ b/libraries/AP_HAL_PX4/examples/simple/simple.pde
@@ -21,6 +21,7 @@
 #include <DataFlash.h>
 #include <GCS_MAVLink.h>
 #include <AP_Mission.h>
+#include <StorageManager.h>
 #include <AP_Terrain.h>
 #include <AP_Param.h>
 #include <AP_Baro.h>