diff --git a/tx-pool/src/util.rs b/tx-pool/src/util.rs
index fa1ca7546..1ab7d2895 100644
--- a/tx-pool/src/util.rs
+++ b/tx-pool/src/util.rs
@@ -99,6 +99,13 @@ pub(crate) async fn verify_rtx(
             .map(|_| *completed)
             .map_err(Reject::Verification)
     } else if let Some(command_rx) = command_rx {
+        DaoScriptSizeVerifier::new(
+            Arc::clone(&rtx),
+            snapshot.cloned_consensus(),
+            snapshot.as_data_loader(),
+        )
+        .verify()
+        .map_err(Reject::Verification)?;
         ContextualTransactionVerifier::new(
             Arc::clone(&rtx),
             consensus,
@@ -107,25 +114,18 @@ pub(crate) async fn verify_rtx(
         )
         .verify_with_pause(max_tx_verify_cycles, command_rx)
         .await
-        .and_then(|result| {
-            DaoScriptSizeVerifier::new(rtx, snapshot.cloned_consensus(), snapshot.as_data_loader())
-                .verify()?;
-            Ok(result)
-        })
         .map_err(Reject::Verification)
     } else {
         block_in_place(|| {
-            ContextualTransactionVerifier::new(Arc::clone(&rtx), consensus, data_loader, tx_env)
+            DaoScriptSizeVerifier::new(
+                Arc::clone(&rtx),
+                snapshot.cloned_consensus(),
+                snapshot.as_data_loader(),
+            )
+            .verify()
+            .map_err(Reject::Verification)?;
+            ContextualTransactionVerifier::new(rtx, consensus, data_loader, tx_env)
                 .verify(max_tx_verify_cycles, false)
-                .and_then(|result| {
-                    DaoScriptSizeVerifier::new(
-                        rtx,
-                        snapshot.cloned_consensus(),
-                        snapshot.as_data_loader(),
-                    )
-                    .verify()?;
-                    Ok(result)
-                })
                 .map_err(Reject::Verification)
         })
     }