diff --git a/kaldb/src/test/java/com/slack/kaldb/logstore/opensearch/OpenSearchAdapterTest.java b/kaldb/src/test/java/com/slack/kaldb/logstore/opensearch/OpenSearchAdapterTest.java
index dca1d73602..58e71f83b7 100644
--- a/kaldb/src/test/java/com/slack/kaldb/logstore/opensearch/OpenSearchAdapterTest.java
+++ b/kaldb/src/test/java/com/slack/kaldb/logstore/opensearch/OpenSearchAdapterTest.java
@@ -413,7 +413,7 @@ public void shouldParseIdFieldSearch() throws Exception {
     IndexSearcher indexSearcher = logStoreAndSearcherRule.logStore.getSearcherManager().acquire();
     Query idQuery =
         openSearchAdapter.buildQuery("foo", STR."\{idField}:\{idValue}", null, null, indexSearcher);
-    BytesRef queryStrBytes = new BytesRef(Uid.encodeId("1x").bytes);
+    BytesRef queryStrBytes = new BytesRef(Uid.encodeId("1").bytes);
     // idQuery.toString="#_id:([fe 1f])"
     // queryStrBytes.toString="[fe 1f]"
     assertThat(idQuery.toString()).contains(queryStrBytes.toString());