diff --git a/libraries/AP_HAL/Storage.h b/libraries/AP_HAL/Storage.h
index 15c3617a46..a07f65c891 100644
--- a/libraries/AP_HAL/Storage.h
+++ b/libraries/AP_HAL/Storage.h
@@ -8,4 +8,5 @@ public:
     virtual void init() = 0;
     virtual void read_block(void *dst, uint16_t src, size_t n) = 0;
     virtual void write_block(uint16_t dst, const void* src, size_t n) = 0;
+    virtual void _timer_tick(void) {};
 };