diff --git a/Disposition.h b/Disposition.h
index 3a606e6..9d374a2 100644
--- a/Disposition.h
+++ b/Disposition.h
@@ -74,7 +74,13 @@ class Disposition : public Operation
       int  GetType( void) const override
                { return OPER_DISP ; }
       bool IsEmpty( int nEmptyType = NEED_GEOM) const override
-               { return ( m_nShifts == 0) ; }
+              { if ( m_nShifts == 0)
+                   return true ;
+                if ( nEmptyType == NEED_ONE_TP_OK)
+                   return ( ! IsAtLeastOnePathOk()) ;
+                if ( nEmptyType == NEED_ALL_TP_OK)
+                   return ( ! AreAllPathsOk()) ;
+                return false ; }
       bool UpdateStatus( int nModif) override
                { m_nStatus |= nModif ; return true ; }
 
diff --git a/EgtMachKernel.rc b/EgtMachKernel.rc
index 430b5ea..3abe86c 100644
Binary files a/EgtMachKernel.rc and b/EgtMachKernel.rc differ