diff --git a/ArduCopter/sensors.cpp b/ArduCopter/sensors.cpp
index cc8e1bd2d4..f3579e9368 100644
--- a/ArduCopter/sensors.cpp
+++ b/ArduCopter/sensors.cpp
@@ -138,7 +138,8 @@ void Copter::update_optical_flow(void)
         uint8_t flowQuality = optflow.quality();
         Vector2f flowRate = optflow.flowRate();
         Vector2f bodyRate = optflow.bodyRate();
-        ahrs.writeOptFlowMeas(flowQuality, flowRate, bodyRate, last_of_update);
+        Vector3f posOffset = optflow.get_pos_offset();
+        ahrs.writeOptFlowMeas(flowQuality, flowRate, bodyRate, last_of_update, posOffset);
         if (g.log_bitmask & MASK_LOG_OPTFLOW) {
             Log_Write_Optflow();
         }