diff --git a/src/main/java/com/dnastack/wes/api/RunFileDeletion.java b/src/main/java/com/dnastack/wes/api/RunFileDeletion.java
index 910a733..eca59d5 100644
--- a/src/main/java/com/dnastack/wes/api/RunFileDeletion.java
+++ b/src/main/java/com/dnastack/wes/api/RunFileDeletion.java
@@ -1,8 +1,9 @@
 package com.dnastack.wes.api;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
 
-public record RunFileDeletion(@JsonUnwrapped RunFile runFile, DeletionState state, @JsonUnwrapped ErrorResponse errorResponse) {
+public record RunFileDeletion(@JsonUnwrapped RunFile runFile, DeletionState state, @JsonProperty("error_response") ErrorResponse errorResponse) {
 
     public enum DeletionState {
         DELETED,
diff --git a/src/main/java/com/dnastack/wes/cromwell/CromwellService.java b/src/main/java/com/dnastack/wes/cromwell/CromwellService.java
index b065521..8c5f361 100644
--- a/src/main/java/com/dnastack/wes/cromwell/CromwellService.java
+++ b/src/main/java/com/dnastack/wes/cromwell/CromwellService.java
@@ -280,7 +280,7 @@ public RunFileDeletions deleteRunFiles(String runId, boolean async) {
 
     public RunFileDeletion deleteRunFileAsync(RunFile runFile) {
         CompletableFuture.runAsync(() -> deleteRunFile(runFile), defaultAsyncOperationExecutor);
-        return new RunFileDeletion(runFile, RunFileDeletion.DeletionState.ASYNC,null);
+        return new RunFileDeletion(runFile, RunFileDeletion.DeletionState.ASYNC, null);
     }
 
     public RunFileDeletion deleteRunFile(RunFile runFile) {
diff --git a/workflow_execution_service.swagger.yaml b/workflow_execution_service.swagger.yaml
index a2e297f..f641a3b 100644
--- a/workflow_execution_service.swagger.yaml
+++ b/workflow_execution_service.swagger.yaml
@@ -816,6 +816,8 @@ definitions:
 
 
           - FAILED: An error occurred during the process of deleting the file.
+      error_response:
+        $ref: '#/definitions/ErrorResponse'
   WorkflowTypeVersion:
     type: object
     properties: