diff --git a/src/psbt.js b/src/psbt.js
index d6079f896..5d02e3778 100644
--- a/src/psbt.js
+++ b/src/psbt.js
@@ -76,7 +76,7 @@ class Psbt {
       // behavior to not require the previous transaction and instead
       // use a witnessUtxo.
       __UNSAFE_SIGN_NONSEGWIT: true,
-      __WARN_UNSAFE_SIGN_NONSEGWIT: true,
+      __WARN_UNSAFE_SIGN_NONSEGWIT: false,
       __TX_FROM_BUFFER: buf =>
         this.constructor.transactionFromBuffer(buf, this.opts.network),
     };
diff --git a/ts_src/psbt.ts b/ts_src/psbt.ts
index c87fe00a6..605a0f1ff 100644
--- a/ts_src/psbt.ts
+++ b/ts_src/psbt.ts
@@ -150,7 +150,7 @@ export class Psbt {
       // behavior to not require the previous transaction and instead
       // use a witnessUtxo.
       __UNSAFE_SIGN_NONSEGWIT: true,
-      __WARN_UNSAFE_SIGN_NONSEGWIT: true,
+      __WARN_UNSAFE_SIGN_NONSEGWIT: false,
       __TX_FROM_BUFFER: buf =>
         (this.constructor as typeof Psbt).transactionFromBuffer(
           buf,