diff --git a/src/main/java/org/elasticsearch/common/settings/ImmutableSettings.java b/src/main/java/org/elasticsearch/common/settings/ImmutableSettings.java
index afc14f31098fd..7a80abfa6c50f 100644
--- a/src/main/java/org/elasticsearch/common/settings/ImmutableSettings.java
+++ b/src/main/java/org/elasticsearch/common/settings/ImmutableSettings.java
@@ -241,7 +241,7 @@ public <T> Class<? extends T> getAsClass(String setting, Class<? extends T> defa
                 try {
                     return (Class<? extends T>) getClassLoader().loadClass(fullClassName);
                 } catch (ClassNotFoundException e2) {
-                    throw new NoClassSettingsException("Failed to load class setting [" + setting + "] with value [" + get(setting) + "]", e);
+                    throw new NoClassSettingsException("Failed to load class setting [" + setting + "] with value [" + get(setting) + "]", e2);
                 }
             }
         }