diff --git a/test/lib/Elastica/Test/Cluster/SettingsTest.php b/test/lib/Elastica/Test/Cluster/SettingsTest.php
index 2a52fc8f61..ad00ba0234 100644
--- a/test/lib/Elastica/Test/Cluster/SettingsTest.php
+++ b/test/lib/Elastica/Test/Cluster/SettingsTest.php
@@ -85,7 +85,7 @@ public function testSetReadOnly()
             $this->fail('should throw read only exception');
         } catch (ResponseException $e) {
             $message = $e->getMessage();
-            $this->assertContains('ClusterBlockException', $message);
+            $this->assertContains('cluster_block_exception', $message);
             $this->assertContains('cluster read-only', $message);
         }
 
@@ -94,7 +94,7 @@ public function testSetReadOnly()
             $this->fail('should throw read only exception');
         } catch (ResponseException $e) {
             $message = $e->getMessage();
-            $this->assertContains('ClusterBlockException', $message);
+            $this->assertContains('cluster_block_exception', $message);
             $this->assertContains('cluster read-only', $message);
         }