diff --git a/packages/core/saved-objects/core-saved-objects-api-server-internal/src/lib/apis/utils/find_shared_origin_objects.ts b/packages/core/saved-objects/core-saved-objects-api-server-internal/src/lib/apis/utils/find_shared_origin_objects.ts
index 8db6f775f66bd..e2408570307a9 100644
--- a/packages/core/saved-objects/core-saved-objects-api-server-internal/src/lib/apis/utils/find_shared_origin_objects.ts
+++ b/packages/core/saved-objects/core-saved-objects-api-server-internal/src/lib/apis/utils/find_shared_origin_objects.ts
@@ -116,14 +116,13 @@ function createOriginKueryFilter(
 
       // If we are updating an object's spaces (as opposed to copying)...
       if (purpose === 'updateObjectsSpaces') {
-        // we never want to match if the raw document `_id` fields.
+        // we never want to match on the raw document `_id` fields.
         // If they are equal, this just means that the object already exists in that space and it's ok.
-        const idMatch = buildNode(
+        const notIdMatch = buildNode(KQL_FUNCTION_NOT, buildNode(
           KQL_FUNCTION_IS,
           `${type}.id`,
           esKuery.escapeKuery(`${type}:${id}`)
-        );
-        const notIdMatch = buildNode(KQL_FUNCTION_NOT, idMatch);
+        ));
 
         // If this object has an origin ID, then we do still want to match if another object's ID matches the
         // object's origin (idMatchesOrigin), or if another object's origin matches the object's origin (originMatch).