diff --git a/InnerDetector/InDetAlignEvent/InDetAlignTrkInfo/src/AlignSiHit.cxx b/InnerDetector/InDetAlignEvent/InDetAlignTrkInfo/src/AlignSiHit.cxx
index 08c6df6ac36534eafdac619658c91678bf4f0a0f..682eeb439571fb1f5ae4464cf68077893e7039e1 100755
--- a/InnerDetector/InDetAlignEvent/InDetAlignTrkInfo/src/AlignSiHit.cxx
+++ b/InnerDetector/InDetAlignEvent/InDetAlignTrkInfo/src/AlignSiHit.cxx
@@ -10,13 +10,12 @@
 AlignSiHit::AlignSiHit() :
   m_index(-1), m_chan1(0), m_chan2(0), m_clusw(0), m_clusl(0), m_cluss(0),
   m_status(0),
-  //new variables to AlignSiHit - in progres
+  //new variables to AlignSiHit - in progress
   m_isOverlap(false),
   m_stereo(0.), m_rphi_resid(0.), m_z_resid(0.), m_erphi_resid(0.), 
-  m_ez_resid(0.), m_r(0.), m_phi(0.), m_z(0.), m_delzr(0.), m_sinlocal(0.),
-  m_trklen(0.)
-
-  
+  m_ez_resid(0.), m_trkExtrapLocalXError(0.), m_trkExtrapLocalYError(0.),
+  m_r(0.), m_phi(0.), m_z(0.), m_delzr(0.), m_sinlocal(0.), m_trklen(0.)
+ 
 {
   // default constructor - set all to safe values via init list except arrays
   for (int i=0;i<2;++i) {