diff --git a/webui/react/src/components/FilterForm/TableFilter.tsx b/webui/react/src/components/FilterForm/TableFilter.tsx
index 62a91c42109..6fd3f42ef74 100644
--- a/webui/react/src/components/FilterForm/TableFilter.tsx
+++ b/webui/react/src/components/FilterForm/TableFilter.tsx
@@ -9,6 +9,7 @@ import FilterForm from 'components/FilterForm/components/FilterForm';
 import { FilterFormStore } from 'components/FilterForm/components/FilterFormStore';
 import { FormKind } from 'components/FilterForm/components/type';
 import { V1ProjectColumn } from 'services/api-ts-sdk';
+import { formatColumnKey } from 'utils/flatRun';
 
 interface Props {
   loadableColumns: Loadable<V1ProjectColumn[]>;
@@ -32,7 +33,7 @@ const TableFilter = ({
   onIsOpenFilterChange,
 }: Props): JSX.Element => {
   const columns: V1ProjectColumn[] = Loadable.getOrElse([], loadableColumns).filter(
-    (column) => !bannedFilterColumns?.has(column.column),
+    (column) => !bannedFilterColumns?.has(formatColumnKey(column)),
   );
   const fieldCount = useObservable(formStore.fieldCount);
   const formset = useObservable(formStore.formset);
diff --git a/webui/react/src/pages/FlatRuns/FlatRuns.tsx b/webui/react/src/pages/FlatRuns/FlatRuns.tsx
index 173d5fe380d..6e6d3d5fb90 100644
--- a/webui/react/src/pages/FlatRuns/FlatRuns.tsx
+++ b/webui/react/src/pages/FlatRuns/FlatRuns.tsx
@@ -241,7 +241,7 @@ const FlatRuns: React.FC<Props> = ({ projectId, workspaceId, searchId }) => {
     const arrayTypeColumns = projectColumns
       .getOrElse([])
       .filter((col) => col.type === V1ColumnType.ARRAY)
-      .map((col) => col.column);
+      .map((col) => formatColumnKey(col));
     return arrayTypeColumns;
   }, [projectColumns]);