diff --git a/Cargo.lock b/Cargo.lock
index 25deeda..161973c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1573,7 +1573,7 @@ dependencies = [
 [[package]]
 name = "rgb-invoice"
 version = "0.11.0-beta.5"
-source = "git+https://github.com/RGB-WG/rgb-std?branch=v0.11#58fbbc417835a829f5f9325bfed35e5a18310d13"
+source = "git+https://github.com/RGB-WG/rgb-std?branch=v0.11#baf4b823eeed514f08bd9bf89d0c426b5517262b"
 dependencies = [
  "amplify",
  "baid58",
@@ -1633,7 +1633,7 @@ dependencies = [
 [[package]]
 name = "rgb-std"
 version = "0.11.0-beta.5"
-source = "git+https://github.com/RGB-WG/rgb-std?branch=v0.11#58fbbc417835a829f5f9325bfed35e5a18310d13"
+source = "git+https://github.com/RGB-WG/rgb-std?branch=v0.11#baf4b823eeed514f08bd9bf89d0c426b5517262b"
 dependencies = [
  "aluvm",
  "amplify",
diff --git a/src/pay.rs b/src/pay.rs
index 4d955b6..788eed1 100644
--- a/src/pay.rs
+++ b/src/pay.rs
@@ -306,7 +306,10 @@ impl Runtime {
         let contract_id = invoice.contract.ok_or(CompletionError::NoContract)?;
 
         let fascia = psbt.rgb_commit()?;
-        if let Some(output) = psbt.dbc_output::<TapretProof>() {
+        if fascia.anchor.has_tapret() {
+            let output = psbt
+                .dbc_output::<TapretProof>()
+                .ok_or(TapretKeyError::NotTaprootOutput)?;
             let terminal = output
                 .terminal_derivation()
                 .ok_or(CompletionError::InconclusiveDerivation)?;