diff --git a/core/src/test/java/org/elasticsearch/action/admin/indices/create/CreateIndexIT.java b/core/src/test/java/org/elasticsearch/action/admin/indices/create/CreateIndexIT.java
index c3ebafb304c..292705305cc 100644
--- a/core/src/test/java/org/elasticsearch/action/admin/indices/create/CreateIndexIT.java
+++ b/core/src/test/java/org/elasticsearch/action/admin/indices/create/CreateIndexIT.java
@@ -57,7 +57,7 @@ public class CreateIndexIT extends ESIntegTestCase {
             prepareCreate("test").setSettings(Settings.builder().put(IndexMetaData.SETTING_CREATION_DATE, 4l)).get();
             fail();
         } catch (IllegalArgumentException ex) {
-            assertEquals("unknow setting [index.creation_date]", ex.getMessage());
+            assertEquals("unknown setting [index.creation_date]", ex.getMessage());
         }
     }