diff --git a/Code/Mantid/Framework/DataHandling/src/SaveAscii2.cpp b/Code/Mantid/Framework/DataHandling/src/SaveAscii2.cpp
index 86a90a063f1f..13b1a8908ce6 100644
--- a/Code/Mantid/Framework/DataHandling/src/SaveAscii2.cpp
+++ b/Code/Mantid/Framework/DataHandling/src/SaveAscii2.cpp
@@ -296,11 +296,11 @@ namespace Mantid
       {
         if (m_isHistogram & m_isCommonBins) // bin centres, 
         {
-          file << m_ws->readX(0)[bin]; //+ m_ws->readX(0)[bin+1] )/2
+          file << ( m_ws->readX(0)[bin] + m_ws->readX(0)[bin+1] )/2;
         }
         else if (!m_isCommonBins) //checking for ragged workspace
         {
-          file << (m_ws->readX(spectraIndex)[bin]);
+         file << ( m_ws->readX(spectraIndex)[bin] + m_ws->readX(spectraIndex)[bin+1] )/2;
         }
         else // data points
         {