diff --git a/specifyweb/frontend/js_src/lib/components/FormSliders/IntegratedRecordSelector.tsx b/specifyweb/frontend/js_src/lib/components/FormSliders/IntegratedRecordSelector.tsx
index e0e98c86643..87bff82793d 100644
--- a/specifyweb/frontend/js_src/lib/components/FormSliders/IntegratedRecordSelector.tsx
+++ b/specifyweb/frontend/js_src/lib/components/FormSliders/IntegratedRecordSelector.tsx
@@ -269,7 +269,8 @@ export function IntegratedRecordSelector({
                             aria-pressed={state.type === 'AddResourceState'}
                             disabled={
                               isReadOnly ||
-                              (isToOne && collection.models.length > 0)
+                              (isToOne && collection.models.length > 0) ||
+                              isTaxonTreeDefItemTable
                             }
                             onClick={(): void => {
                               const resource =