diff --git a/src/MultiPlayer/multiplaymgr.cxx b/src/MultiPlayer/multiplaymgr.cxx
index d8d3d5b..3f1d371 100644
--- a/src/MultiPlayer/multiplaymgr.cxx
+++ b/src/MultiPlayer/multiplaymgr.cxx
@@ -1437,9 +1437,9 @@ FGMultiplayMgr::SendMyPosition(const FGExternalMotionData& motionInfo)
 //zhongjin
 //        for (unsigned i = 0 ; i < 3; ++i)
 //          PosMsg->angularAccel[i] = XDR_encode_float (motionInfo.angularAccel(i) * timeAccel * timeAccel);
-          PosMsg->angularAccel[0] = XDR_encode_float (motionInfo.angularAccel(i) * timeAccel * timeAccel);
-          PosMsg->angularAccel[1] = XDR_encode_float (motionInfo.angularAccel(i) * timeAccel * timeAccel);
-          PosMsg->angularAccel[2] = XDR_encode_float (motionInfo.angularAccel(i) * timeAccel * timeAccel);
+          PosMsg->angularAccel[0] = XDR_encode_float (motionInfo.angularAccel(0) * timeAccel * timeAccel);
+          PosMsg->angularAccel[1] = XDR_encode_float (motionInfo.angularAccel(1) * timeAccel * timeAccel);
+          PosMsg->angularAccel[2] = XDR_encode_float (motionInfo.angularAccel(2) * timeAccel * timeAccel);
 
 
       }