diff --git a/core/src/test/java/org/elasticsearch/bootstrap/BootstrapCheckTests.java b/core/src/test/java/org/elasticsearch/bootstrap/BootstrapCheckTests.java
index 4fbf43de9ac..38515f2190d 100644
--- a/core/src/test/java/org/elasticsearch/bootstrap/BootstrapCheckTests.java
+++ b/core/src/test/java/org/elasticsearch/bootstrap/BootstrapCheckTests.java
@@ -121,7 +121,7 @@ public class BootstrapCheckTests extends ESTestCase {
                 } catch (final RuntimeException e) {
                     assertThat(
                             e.getMessage(),
-                            containsString("Memory locking requested for elasticsearch process but memory is not locked"));
+                            containsString("memory locking requested for elasticsearch process but memory is not locked"));
                 }
             } else {
                 // nothing should happen