diff --git a/webprotege-gwt-ui-server/src/main/java/edu/stanford/bmir/protege/web/server/dispatch/DispatchServlet.java b/webprotege-gwt-ui-server/src/main/java/edu/stanford/bmir/protege/web/server/dispatch/DispatchServlet.java
index e7dff1b5f..2816c85e2 100644
--- a/webprotege-gwt-ui-server/src/main/java/edu/stanford/bmir/protege/web/server/dispatch/DispatchServlet.java
+++ b/webprotege-gwt-ui-server/src/main/java/edu/stanford/bmir/protege/web/server/dispatch/DispatchServlet.java
@@ -105,9 +105,9 @@ private CompletableFuture<Void> createCompletableFutureForBatchAction(ImmutableL
                     var innerExecutionResult = ActionExecutionResult.get(innerResult);
                     resultList.set(index, innerExecutionResult);
                 } catch (ActionExecutionException e) {
-                    resultList.add(ActionExecutionResult.get(e));
+                    resultList.set(index, ActionExecutionResult.get(e));
                 } catch (PermissionDeniedException e) {
-                    resultList.add(ActionExecutionResult.get(e));
+                    resultList.set(index, ActionExecutionResult.get(e));
                 }
             });
             futures.add(future);