diff --git a/packages/backend-core/src/db/lucene.ts b/packages/backend-core/src/db/lucene.ts
index 6f2f4fc991..49f345817e 100644
--- a/packages/backend-core/src/db/lucene.ts
+++ b/packages/backend-core/src/db/lucene.ts
@@ -309,7 +309,7 @@ export class QueryBuilder<T> {
         return null
       }
       if (!Array.isArray(value)) {
-        return `${key}:${value}`
+        return `${key}:/${value?.toLowerCase()}/`
       }
       let statement = `${builder.preprocess(value[0], { escape: true })}`
       for (let i = 1; i < value.length; i++) {
diff --git a/packages/shared-core/src/filters.ts b/packages/shared-core/src/filters.ts
index 34186cf554..85c4cd7f5c 100644
--- a/packages/shared-core/src/filters.ts
+++ b/packages/shared-core/src/filters.ts
@@ -22,6 +22,7 @@ export const getValidOperatorsForType = (
     Op.Empty,
     Op.NotEmpty,
     Op.In,
+    Op.Contains,
   ]
   const numOps = [
     Op.Equals,