diff --git a/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/ParallelExecutionException.java b/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/ParallelExecutionException.java
index a896c0dc0b..5ec2d41981 100644
--- a/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/ParallelExecutionException.java
+++ b/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/ParallelExecutionException.java
@@ -40,7 +40,7 @@ public class ParallelExecutionException extends RuntimeException {
 
     @Serial
     private static final long serialVersionUID = 1L;
-    
+
     private static final int MAX_STACK_TRACE_ELEMENTS = 3;
     private final List<ThreadError> exceptions;
 
@@ -49,8 +49,8 @@ public ParallelExecutionException(Collection<ThreadError> causes) {
         this.exceptions = new ArrayList<>(causes);
     }
 
-    public List<ThreadError> getExceptions() {
-        return exceptions;
+    public List<Exception> getExceptions() {
+        return exceptions.stream().map(ThreadError::exception).toList();
     }
 
     private static String toMessage(Collection<ThreadError> causes) {
diff --git a/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/SaveLastErrorCommand.java b/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/SaveLastErrorCommand.java
index 57d2ac0e9b..fe5522c5c3 100644
--- a/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/SaveLastErrorCommand.java
+++ b/runtime/v2/runner/src/main/java/com/walmartlabs/concord/runtime/v2/runner/vm/SaveLastErrorCommand.java
@@ -103,7 +103,7 @@ public void serialize(ParallelExecutionException exception, JsonGenerator gen, S
 
             gen.writeArrayFieldStart("exceptions");
             for (var e : exception.getExceptions()) {
-                gen.writeObject(e.exception());
+                gen.writeObject(e);
             }
             gen.writeEndArray();