diff --git a/yarn-project/bb-prover/src/verifier/bb_verifier.ts b/yarn-project/bb-prover/src/verifier/bb_verifier.ts
index 2281d54f2759..d2a895392788 100644
--- a/yarn-project/bb-prover/src/verifier/bb_verifier.ts
+++ b/yarn-project/bb-prover/src/verifier/bb_verifier.ts
@@ -32,6 +32,7 @@ export class BBCircuitVerifier implements ClientProtocolCircuitVerifier {
       poolSize: config.numConcurrentIVCVerifiers > 0 ? config.numConcurrentIVCVerifiers : undefined,
       logger,
       debugDir: config.bbDebugOutputDir,
+      threads: config.bbIVCConcurrency,
     });
   }