diff --git a/src/dataworker/index.ts b/src/dataworker/index.ts
index 5a194412b..3a6f893ee 100644
--- a/src/dataworker/index.ts
+++ b/src/dataworker/index.ts
@@ -194,7 +194,7 @@ export async function runDataworker(_logger: winston.Logger, baseSigner: Signer)
           at: "Dataworker#index",
           message: "Exiting early due to dataworker function collision",
           proposalCollision,
-          proposedBundleData,
+          proposedBundleDataDefined: isDefined(proposedBundleData),
           executorCollision,
           poolRebalanceLeafExecutionCount,
           unclaimedPoolRebalanceLeafCount: pendingProposal.unclaimedPoolRebalanceLeafCount,