diff --git a/ts/packages/anchor/src/utils/rpc.ts b/ts/packages/anchor/src/utils/rpc.ts
index b13868c8b2..65ea805707 100644
--- a/ts/packages/anchor/src/utils/rpc.ts
+++ b/ts/packages/anchor/src/utils/rpc.ts
@@ -195,7 +195,7 @@ export async function simulateTransaction(
   if ("error" in res) {
     let logs;
     if ("data" in res.error) {
-      logs = res.error.data.logs;
+      logs = res.error.data?.logs;
       if (logs && Array.isArray(logs)) {
         const traceIndent = "\n    ";
         const logTrace = traceIndent + logs.join(traceIndent);