diff --git a/yarn-project/end-to-end/src/spartan/utils.ts b/yarn-project/end-to-end/src/spartan/utils.ts
index 1e5fd64145b3..4530c0455942 100644
--- a/yarn-project/end-to-end/src/spartan/utils.ts
+++ b/yarn-project/end-to-end/src/spartan/utils.ts
@@ -350,7 +350,11 @@ export async function awaitL2BlockNumber(
     await sleep(1000);
     tips = await rollupCheatCodes.getTips();
   }
-  logger.info(`Reached L2 Block ${tips.pending}`);
+  if (Date.now() >= endTime) {
+    throw new Error(`Timeout waiting for L2 Block ${blockNumber}`);
+  } else {
+    logger.info(`Reached L2 Block ${tips.pending}`);
+  }
 }
 
 export async function restartBot(namespace: string, logger: Logger) {