diff --git a/ObjOldGraphics.cpp b/ObjOldGraphics.cpp
index 040e667..bc90626 100644
--- a/ObjOldGraphics.cpp
+++ b/ObjOldGraphics.cpp
@@ -198,17 +198,18 @@ ObjOldGraphics::Draw( int nStat, int nMark, bool bShowAux)
    for ( iIter = m_ogaList.begin() ; iIter != m_ogaList.end() ; ++ iIter) {
       switch ( iIter->m_nType) {
       case OgAtom::START :
-         bStartA = false ;
          glBegin( iIter->m_nMode) ;
+         bStartA = false ;
          break ;
       case OgAtom::START_A :
-         bStartA = true ;
          if ( bShowAux)
             glBegin( iIter->m_nMode) ;
+         bStartA = true ;
          break ;
       case OgAtom::END :
+         if ( ! bStartA  ||  bShowAux) 
+            glEnd() ;
          bStartA = false ;
-         glEnd() ;
          break ;
       case OgAtom::VERT :
          if ( ! bStartA  ||  bShowAux) 
@@ -258,17 +259,18 @@ ObjOldGraphics::Draw( int nStat, int nMark, bool bShowAux)
       for ( iIter = m_ogaList.begin() ; iIter != m_ogaList.end() ; ++ iIter) {
          switch ( iIter->m_nType) {
          case OgAtom::START :
-            bStartA = false ;
             glBegin( iIter->m_nMode) ;
+            bStartA = false ;
             break ;
          case OgAtom::START_A :
-            bStartA = true ;
             if ( bShowAux)
                glBegin( iIter->m_nMode) ;
+            bStartA = true ;
             break ;
          case OgAtom::END :
+            if ( ! bStartA  ||  bShowAux) 
+               glEnd() ;
             bStartA = false ;
-            glEnd() ;
             break ;
          case OgAtom::VERT :
             if ( ! bStartA  ||  bShowAux)