diff --git a/plugins/repository-s3/src/test/java/org/elasticsearch/cloud/aws/RepositoryS3SettingsTests.java b/plugins/repository-s3/src/test/java/org/elasticsearch/cloud/aws/RepositoryS3SettingsTests.java
index c5c617e8591..4cb8e4d3abb 100644
--- a/plugins/repository-s3/src/test/java/org/elasticsearch/cloud/aws/RepositoryS3SettingsTests.java
+++ b/plugins/repository-s3/src/test/java/org/elasticsearch/cloud/aws/RepositoryS3SettingsTests.java
@@ -316,7 +316,7 @@ public class RepositoryS3SettingsTests extends ESTestCase {
             "Failed to parse value [4mb] for setting [buffer_size] must be >= 5mb");
         // chunk > 5tb should fail
         internalTestInvalidChunkBufferSizeSettings(new ByteSizeValue(5, ByteSizeUnit.MB), new ByteSizeValue(6, ByteSizeUnit.TB),
-            "Failed to parse value [6tb] for setting [chunk_size] must be =< 5tb");
+            "Failed to parse value [6tb] for setting [chunk_size] must be <= 5tb");
     }
 
     private Settings buildSettings(Settings... global) {