diff --git a/server/src/internalClusterTest/java/org/elasticsearch/search/aggregations/bucket/RandomSamplerIT.java b/server/src/internalClusterTest/java/org/elasticsearch/search/aggregations/bucket/RandomSamplerIT.java
index c9a6cfaf754c6..71402d3e9c1d8 100644
--- a/server/src/internalClusterTest/java/org/elasticsearch/search/aggregations/bucket/RandomSamplerIT.java
+++ b/server/src/internalClusterTest/java/org/elasticsearch/search/aggregations/bucket/RandomSamplerIT.java
@@ -22,6 +22,7 @@
 
 import static org.elasticsearch.search.aggregations.AggregationBuilders.avg;
 import static org.elasticsearch.search.aggregations.AggregationBuilders.histogram;
+import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoFailures;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertResponse;
 import static org.elasticsearch.xcontent.XContentFactory.jsonBuilder;
 import static org.hamcrest.Matchers.equalTo;
@@ -83,9 +84,11 @@ public void setupSuiteScopeCluster() throws Exception {
         }
         indexRandom(true, builders);
         ensureSearchable();
+        // Force merge to ensure segment consistency as any segment merging can change which particular documents
+        // are sampled
+        assertNoFailures(indicesAdmin().prepareForceMerge("idx").setMaxNumSegments(1).get());
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/105839")
     public void testRandomSamplerConsistentSeed() {
         double[] sampleMonotonicValue = new double[1];
         double[] sampleNumericValue = new double[1];