diff --git a/configs/coins/bitcoin.json b/configs/coins/bitcoin.json
index 996b5f1e..4a9cf0c1 100644
--- a/configs/coins/bitcoin.json
+++ b/configs/coins/bitcoin.json
@@ -53,7 +53,7 @@
     "internal_binding_template": ":{{.Ports.BlockbookInternal}}",
     "public_binding_template": ":{{.Ports.BlockbookPublic}}",
     "explorer_url": "",
-    "additional_params": "-dbcache=1073741824",
+    "additional_params": "-dbcache=1073741824 -enablesubnewtx",
     "block_chain": {
       "parse": true,
       "mempool_workers": 8,
diff --git a/configs/coins/bitcoin_testnet.json b/configs/coins/bitcoin_testnet.json
index 13546f6b..ca1bad51 100644
--- a/configs/coins/bitcoin_testnet.json
+++ b/configs/coins/bitcoin_testnet.json
@@ -27,9 +27,7 @@
     "verification_type": "sha256",
     "verification_source": "49df6e444515d457ea0b885d66f521f2a26ca92ccf73d5296082e633544253bf",
     "extract_command": "tar -C backend --strip 1 -xf",
-    "exclude_files": [
-      "bin/bitcoin-qt"
-    ],
+    "exclude_files": ["bin/bitcoin-qt"],
     "exec_command_template": "{{.Env.BackendInstallPath}}/{{.Coin.Alias}}/bin/bitcoind -datadir={{.Env.BackendDataPath}}/{{.Coin.Alias}}/backend -conf={{.Env.BackendInstallPath}}/{{.Coin.Alias}}/{{.Coin.Alias}}.conf -pid=/run/{{.Coin.Alias}}/{{.Coin.Alias}}.pid",
     "logrotate_files_template": "{{.Env.BackendDataPath}}/{{.Coin.Alias}}/backend/testnet3/*.log",
     "postinst_script_template": "",
@@ -55,7 +53,7 @@
     "internal_binding_template": ":{{.Ports.BlockbookInternal}}",
     "public_binding_template": ":{{.Ports.BlockbookPublic}}",
     "explorer_url": "",
-    "additional_params": "",
+    "additional_params": "-enablesubnewtx",
     "block_chain": {
       "parse": true,
       "mempool_workers": 8,