diff --git a/core/node/external_proof_integration_api/src/processor.rs b/core/node/external_proof_integration_api/src/processor.rs
index 277c2e694de8..64748f5c2278 100644
--- a/core/node/external_proof_integration_api/src/processor.rs
+++ b/core/node/external_proof_integration_api/src/processor.rs
@@ -113,7 +113,8 @@ impl Processor {
             &self
                 .blob_store
                 .get::<L1BatchProofForL1>((l1_batch_number, payload.0.protocol_version))
-                .await?,
+                .await
+                .map_err(ProcessorError::ObjectStore)?,
         )?;
 
         if serialized_proof != expected_proof {
@@ -184,7 +185,11 @@ impl Processor {
             .get(l1_batch_number)
             .await
             .map_err(ProcessorError::ObjectStore)?;
-        let merkle_paths: WitnessInputMerklePaths = self.blob_store.get(l1_batch_number).await?;
+        let merkle_paths: WitnessInputMerklePaths = self
+            .blob_store
+            .get(l1_batch_number)
+            .await
+            .map_err(ProcessorError::ObjectStore)?;
 
         // Acquire connection after interacting with GCP, to avoid holding the connection for too long.
         let mut conn = self.pool.connection().await.map_err(ProcessorError::Dal)?;