diff --git a/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/IngestPlugin.java b/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/IngestPlugin.java
index e547af68bb2..514fb44d1da 100644
--- a/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/IngestPlugin.java
+++ b/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/IngestPlugin.java
@@ -130,7 +130,7 @@ public class IngestPlugin extends Plugin {
             processorsModule.addProcessor(SplitProcessor.TYPE, (environment, templateService) -> new SplitProcessor.Factory());
             processorsModule.addProcessor(JoinProcessor.TYPE, (environment, templateService) -> new JoinProcessor.Factory());
             processorsModule.addProcessor(UppercaseProcessor.TYPE, (environment, templateService) -> new UppercaseProcessor.Factory());
-            processorsModule.addProcessor(LowercaseProcessor.TYPE, (environment, mustacheFactory) -> new LowercaseProcessor.Factory());
+            processorsModule.addProcessor(LowercaseProcessor.TYPE, (environment, templateService) -> new LowercaseProcessor.Factory());
             processorsModule.addProcessor(TrimProcessor.TYPE, (environment, templateService) -> new TrimProcessor.Factory());
             processorsModule.addProcessor(ConvertProcessor.TYPE, (environment, templateService) -> new ConvertProcessor.Factory());
             processorsModule.addProcessor(GsubProcessor.TYPE, (environment, templateService) -> new GsubProcessor.Factory());
@@ -170,6 +170,6 @@ public class IngestPlugin extends Plugin {
     }
 
     public void onModule(ScriptModule module) {
-        module.registerScriptContext(MustacheTemplateService.INGEST_SCRIPT_CONTEXT);
+        module.registerScriptContext(InternalTemplateService.INGEST_SCRIPT_CONTEXT);
     }
 }
diff --git a/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/MustacheTemplateService.java b/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/InternalTemplateService.java
similarity index 96%
rename from plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/MustacheTemplateService.java
rename to plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/InternalTemplateService.java
index a74b999bb32..58bcfc0a269 100644
--- a/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/MustacheTemplateService.java
+++ b/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/InternalTemplateService.java
@@ -30,13 +30,13 @@ import org.elasticsearch.script.ScriptService;
 import java.util.Collections;
 import java.util.Map;
 
-class MustacheTemplateService implements TemplateService {
+class InternalTemplateService implements TemplateService {
 
     public static final ScriptContext.Plugin INGEST_SCRIPT_CONTEXT = new ScriptContext.Plugin("elasticsearch-ingest", "ingest");
 
     private final ScriptService scriptService;
 
-    MustacheTemplateService(ScriptService scriptService) {
+    InternalTemplateService(ScriptService scriptService) {
         this.scriptService = scriptService;
     }
 
diff --git a/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/PipelineStore.java b/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/PipelineStore.java
index 32a1973c113..a0daf06deff 100644
--- a/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/PipelineStore.java
+++ b/plugins/ingest/src/main/java/org/elasticsearch/plugin/ingest/PipelineStore.java
@@ -87,7 +87,7 @@ public class PipelineStore extends AbstractComponent implements Closeable {
 
     public void buildProcessorFactoryRegistry(Map<String, ProcessorFactoryProvider> processorFactoryProviders, Environment environment, ScriptService scriptService) {
         Map<String, Processor.Factory> processorFactories = new HashMap<>();
-        TemplateService templateService = new MustacheTemplateService(scriptService);
+        TemplateService templateService = new InternalTemplateService(scriptService);
         for (Map.Entry<String, ProcessorFactoryProvider> entry : processorFactoryProviders.entrySet()) {
             Processor.Factory processorFactory = entry.getValue().apply(environment, templateService);
             processorFactories.put(entry.getKey(), processorFactory);
diff --git a/qa/ingest-with-mustache/src/test/java/org/elasticsearch/plugin/ingest/AbstractMustacheTests.java b/qa/ingest-with-mustache/src/test/java/org/elasticsearch/plugin/ingest/AbstractMustacheTests.java
index bec71f2ffce..bdd37c86d58 100644
--- a/qa/ingest-with-mustache/src/test/java/org/elasticsearch/plugin/ingest/AbstractMustacheTests.java
+++ b/qa/ingest-with-mustache/src/test/java/org/elasticsearch/plugin/ingest/AbstractMustacheTests.java
@@ -42,12 +42,12 @@ public abstract class AbstractMustacheTests extends ESTestCase {
             .build();
         MustacheScriptEngineService mustache = new MustacheScriptEngineService(settings);
         ScriptContextRegistry registry = new ScriptContextRegistry(
-            Collections.singletonList(MustacheTemplateService.INGEST_SCRIPT_CONTEXT)
+            Collections.singletonList(InternalTemplateService.INGEST_SCRIPT_CONTEXT)
         );
         ScriptService scriptService = new ScriptService(
             settings, new Environment(settings), Collections.singleton(mustache), null, registry
         );
-        templateService = new MustacheTemplateService(scriptService);
+        templateService = new InternalTemplateService(scriptService);
     }
 
 }