diff --git a/server/src/internalClusterTest/java/org/elasticsearch/search/retriever/RetrieverRewriteIT.java b/server/src/internalClusterTest/java/org/elasticsearch/search/retriever/RetrieverRewriteIT.java
index 7ab8d3271981d..00013a8d396ba 100644
--- a/server/src/internalClusterTest/java/org/elasticsearch/search/retriever/RetrieverRewriteIT.java
+++ b/server/src/internalClusterTest/java/org/elasticsearch/search/retriever/RetrieverRewriteIT.java
@@ -125,7 +125,10 @@ public void testRewriteCompoundRetrieverShouldThrowForPartialResults() throws Ex
                 SearchPhaseExecutionException.class,
                 client().prepareSearch(testIndex).setSource(source)::get
             );
-            assertThat(ex.getDetailedMessage(), containsString("Search rejected due to missing shards"));
+            assertThat(
+                ex.getDetailedMessage(),
+                containsString("[open_point_in_time] action requires all shards to be available. Missing shards")
+            );
         } finally {
             internalCluster().restartNode(randomDataNode);
         }