diff --git a/x-pack/qa/ml-native-tests/src/test/java/org/elasticsearch/xpack/ml/integration/AutodetectMemoryLimitIT.java b/x-pack/qa/ml-native-tests/src/test/java/org/elasticsearch/xpack/ml/integration/AutodetectMemoryLimitIT.java
index c46b1d1c8689b..f54f1bf54e932 100644
--- a/x-pack/qa/ml-native-tests/src/test/java/org/elasticsearch/xpack/ml/integration/AutodetectMemoryLimitIT.java
+++ b/x-pack/qa/ml-native-tests/src/test/java/org/elasticsearch/xpack/ml/integration/AutodetectMemoryLimitIT.java
@@ -134,7 +134,7 @@ public void testTooManyByFields() throws Exception {
         assertThat(modelSizeStats.getModelBytes(), lessThan(36000000L));
         assertThat(modelSizeStats.getModelBytes(), greaterThan(30000000L));
         assertThat(modelSizeStats.getTotalByFieldCount(), lessThan(1900L));
-        assertThat(modelSizeStats.getTotalByFieldCount(), greaterThan(1600L));
+        assertThat(modelSizeStats.getTotalByFieldCount(), greaterThan(1500L));
         assertThat(modelSizeStats.getMemoryStatus(), equalTo(ModelSizeStats.MemoryStatus.HARD_LIMIT));
     }