diff --git a/.changeset/smart-planes-march.md b/.changeset/smart-planes-march.md
new file mode 100644
index 0000000000..619c37c675
--- /dev/null
+++ b/.changeset/smart-planes-march.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-search-backend-module-catalog': patch
+---
+
+Allow filter to be an array in config schema
diff --git a/plugins/search-backend-module-catalog/config.d.ts b/plugins/search-backend-module-catalog/config.d.ts
index be9122b907..0c4302a9c4 100644
--- a/plugins/search-backend-module-catalog/config.d.ts
+++ b/plugins/search-backend-module-catalog/config.d.ts
@@ -36,7 +36,7 @@ export interface Config {
          *
          * Defaults to no filter, ie indexing all entities.
          */
-        filter?: object;
+        filter?: object | object[];
         /**
          * The number of entities to process at a time. Keep this at a
          * reasonable number to avoid overloading either the catalog or the