diff --git a/src/miner.cpp b/src/miner.cpp
index 0b7752ae742e..2249a41df402 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -338,7 +338,7 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
             coinbaseTx.vout[0].nValue = nBlockReward;
         }
     }
-    coinbaseTx.vin[0].scriptSig = CScript() << nHeight;
+    coinbaseTx.vin[0].scriptSig = (CScript() << nHeight) + COINBASE_FLAGS;
     if (!fPoSHeight) {
         coinbaseTx.vin[0].scriptSig = coinbaseTx.vin[0].scriptSig << OP_0;
     }
@@ -851,4 +851,4 @@ bool CreateTxSig(const CWallet& wallet, uint32_t nTime, CTransactionRef txCoinSt
     }
     return result;
 }
-#endif
\ No newline at end of file
+#endif