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-rw-r--r--src/client/views/nodes/FilterBox.tsx2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/views/nodes/FilterBox.tsx b/src/client/views/nodes/FilterBox.tsx
index cc924ff7a..1ab3ede6e 100644
--- a/src/client/views/nodes/FilterBox.tsx
+++ b/src/client/views/nodes/FilterBox.tsx
@@ -71,7 +71,7 @@ export class FilterBox extends ViewBoxBaseComponent<FieldViewProps, FilterBoxDoc
subDocs.forEach((t) => {
const facetVal = t[facetKey];
if (facetVal instanceof RichTextField) rtFields++;
- valueSet.add(Field.toString(facetVal as Field));
+ facetVal && valueSet.add(Field.toString(facetVal as Field));
const fieldKey = Doc.LayoutFieldKey(t);
const annos = !Field.toString(Doc.LayoutField(t) as Field).includes("CollectionView");
DocListCast(t[annos ? fieldKey + "-annotations" : fieldKey]).forEach((newdoc) => newarray.push(newdoc));