diff --git a/src/main.cpp b/src/main.cpp
index da7b13e4d..0a20e77d8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -706,7 +706,7 @@ bool IsStandardTx(const CTransaction& tx, string& reason)
     return true;
 }
 
-bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
+bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime,int flags)
 {
     static uint32_t grandfathered[] =
     {
@@ -715,7 +715,7 @@ bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
     int32_t i;
     if (tx.nLockTime == 0)
         return true;
-    if ( ASSETCHAINS_SYMBOL[0] == 0 && (int64_t)tx.nLockTime >= LOCKTIME_THRESHOLD && (int64_t)tx.nLockTime < nBlockTime-3600 )
+    if ( ASSETCHAINS_SYMBOL[0] == 0 && flags == STANDARD_LOCKTIME_VERIFY_FLAGS && (int64_t)tx.nLockTime >= LOCKTIME_THRESHOLD && (int64_t)tx.nLockTime < nBlockTime-3600 )
     {
         for (i=0; i<sizeof(grandfathered)/sizeof(*grandfathered); i++)
             if ( nBlockTime == grandfathered[i] )
@@ -771,7 +771,7 @@ bool CheckFinalTx(const CTransaction &tx, int flags)
                              ? chainActive.Tip()->GetMedianTimePast()
                              : GetAdjustedTime();
 
-    return IsFinalTx(tx, nBlockHeight, nBlockTime);
+    return IsFinalTx(tx, nBlockHeight, nBlockTime,flags);
 }
 
 /**
@@ -3292,7 +3292,7 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIn
         int64_t nLockTimeCutoff = (nLockTimeFlags & LOCKTIME_MEDIAN_TIME_PAST)
                                 ? pindexPrev->GetMedianTimePast()
                                 : block.GetBlockTime();
-        if (!IsFinalTx(tx, nHeight, nLockTimeCutoff)) {
+        if (!IsFinalTx(tx, nHeight, nLockTimeCutoff,0)) {
             return state.DoS(10, error("%s: contains a non-final transaction", __func__), REJECT_INVALID, "bad-txns-nonfinal");
         }
     }
diff --git a/src/main.h b/src/main.h
index 6f349c7d7..0a137188d 100644
--- a/src/main.h
+++ b/src/main.h
@@ -351,7 +351,7 @@ bool IsStandardTx(const CTransaction& tx, std::string& reason);
  * Check if transaction is final and can be included in a block with the
  * specified height and time. Consensus critical.
  */
-bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime);
+bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime, int flags);
 
 /**
  * Check if transaction will be final in the next block to be created.
diff --git a/src/miner.cpp b/src/miner.cpp
index dfec5825a..f53c7086a 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -201,7 +201,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
                                     ? nMedianTimePast
                                     : pblock->GetBlockTime();
 
-            if (tx.IsCoinBase() || !IsFinalTx(tx, nHeight, nLockTimeCutoff))
+            if (tx.IsCoinBase() || !IsFinalTx(tx, nHeight, nLockTimeCutoff,STANDARD_LOCKTIME_VERIFY_FLAGS))
                 continue;
 
             COrphan* porphan = NULL;