1 files changed, 7 insertions, 7 deletions

diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index ac1d62a8f4..b0a57712d8 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -82,7 +82,7 @@ static int AppInitRawTx(int argc, char* argv[])
     SetupBitcoinTxArgs();
     std::string error;
     if (!gArgs.ParseParameters(argc, argv, error)) {
-        fprintf(stderr, "Error parsing command line arguments: %s\n", error.c_str());
+        tfm::format(std::cerr, "Error parsing command line arguments: %s\n", error.c_str());
         return EXIT_FAILURE;
     }
 
@@ -90,7 +90,7 @@ static int AppInitRawTx(int argc, char* argv[])
     try {
         SelectParams(gArgs.GetChainName());
     } catch (const std::exception& e) {
-        fprintf(stderr, "Error: %s\n", e.what());
+        tfm::format(std::cerr, "Error: %s\n", e.what());
         return EXIT_FAILURE;
     }
 
@@ -104,10 +104,10 @@ static int AppInitRawTx(int argc, char* argv[])
             "\n";
         strUsage += gArgs.GetHelpMessage();
 
-        fprintf(stdout, "%s", strUsage.c_str());
+        tfm::format(std::cout, "%s", strUsage.c_str());
 
         if (argc < 2) {
-            fprintf(stderr, "Error: too few parameters\n");
+            tfm::format(std::cerr, "Error: too few parameters\n");
             return EXIT_FAILURE;
         }
         return EXIT_SUCCESS;
@@ -723,21 +723,21 @@ static void OutputTxJSON(const CTransaction& tx)
     TxToUniv(tx, uint256(), entry);
 
     std::string jsonOutput = entry.write(4);
-    fprintf(stdout, "%s\n", jsonOutput.c_str());
+    tfm::format(std::cout, "%s\n", jsonOutput.c_str());
 }
 
 static void OutputTxHash(const CTransaction& tx)
 {
     std::string strHexHash = tx.GetHash().GetHex(); // the hex-encoded transaction hash (aka the transaction id)
 
-    fprintf(stdout, "%s\n", strHexHash.c_str());
+    tfm::format(std::cout, "%s\n", strHexHash.c_str());
 }
 
 static void OutputTxHex(const CTransaction& tx)
 {
     std::string strHex = EncodeHexTx(tx);
 
-    fprintf(stdout, "%s\n", strHex.c_str());
+    tfm::format(std::cout, "%s\n", strHex.c_str());
 }
 
 static void OutputTx(const CTransaction& tx)