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-rw-r--r--src/aig/ntl/ntl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/ntl/ntl.h b/src/aig/ntl/ntl.h
index 4f00cbda..fc9d21bc 100644
--- a/src/aig/ntl/ntl.h
+++ b/src/aig/ntl/ntl.h
@@ -120,6 +120,7 @@ struct Ntl_Net_t_
{
Ntl_Net_t * pNext; // next net in the hash table
void * pCopy; // the copy of this object
+ void * pCopy2; // the copy of this object
Ntl_Obj_t * pDriver; // driver of the net
char nVisits; // the number of times the net is visited
char fMark; // temporary mark