1 files changed, 4 insertions, 0 deletions
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index f7b1552f3e..b20465794d 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -277,6 +277,10 @@ WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransact
                          CClientUIInterface::MSG_ERROR);
             return TransactionCreationFailed;
         }
+
+        // reject insane fee > 0.1 bitcoin
+        if (nFeeRequired > 10000000)
+            return InsaneFee;
     }
 
     return SendCoinsReturn(OK);