diff --git a/ShortestPathTsp.cpp b/ShortestPathTsp.cpp
index c5ad011..871ac3d 100644
--- a/ShortestPathTsp.cpp
+++ b/ShortestPathTsp.cpp
@@ -244,7 +244,7 @@ ShortestPath::CalcDistances( void)
          if ( m_Points[i].dXi > fXmax)
             fXmax = (float) m_Points[i].dXi ;
          if ( m_Points[i].dXf < fXmin)
-            fXmin = (float) m_Points[i-1].dXf ;
+            fXmin = (float) m_Points[i].dXf ;
          if ( m_Points[i].dXf > fXmax)
             fXmax = (float) m_Points[i].dXf ;
         // Y