diff --git a/CDeTriaTria.cpp b/CDeTriaTria.cpp
index 1472bfd..c4499f0 100644
--- a/CDeTriaTria.cpp
+++ b/CDeTriaTria.cpp
@@ -34,7 +34,7 @@ GetTwoGreater( int nVal0, int nVal1, int nVal2, int& nFirstMaxPos, int& nSecondM
       }
       else {
          nFirstMaxPos = 2 ;
-         nSecondMaxPos = 1 ;
+         nSecondMaxPos = 0 ;
       }
    }
    else if ( nVal0 > nVal2) {
@@ -168,7 +168,7 @@ CDeTriaTria( const Triangle3d& trTriaA, const Triangle3d& trTriaB)
    Vector3d vtSegSecondB = trTriaB.GetP( ( nSecondMaxPosB + 1) % 3) - trTriaB.GetP( nSecondMaxPosB) ;
    double dSegLenSecondB = vtSegSecondB.Len() ;
    vtSegSecondB /= dSegLenSecondB ;
-   DistLineLine LineLineDistCalcSecondB( ptLineP, vtLineV, 100., trTriaB.GetP( nSecondMaxPosA), vtSegSecondB, dSegLenSecondB, false) ;
+   DistLineLine LineLineDistCalcSecondB( ptLineP, vtLineV, 100., trTriaB.GetP( nSecondMaxPosB), vtSegSecondB, dSegLenSecondB, false) ;
    double dIntParEnB, dOtherParSecondB ;
    LineLineDistCalcSecondB.GetPositionsAtMinDistPoints( dIntParEnB, dOtherParSecondB) ;
    // Ordino i parametri lungo la retta di intersezione fra i piani