diff --git a/.gitignore b/.gitignore
index 1b7eb22..55b66ce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,5 @@ nbdist/
 src/main/resources/application.properties
 .checkstyle
 .asscache
+*.class
+com/
diff --git a/src/main/groovy/com/xinra/growthlectures/service/LectureServiceImpl.groovy b/src/main/groovy/com/xinra/growthlectures/service/LectureServiceImpl.groovy
index 600ec97..357606a 100644
--- a/src/main/groovy/com/xinra/growthlectures/service/LectureServiceImpl.groovy
+++ b/src/main/groovy/com/xinra/growthlectures/service/LectureServiceImpl.groovy
@@ -14,11 +14,11 @@ class LectureServiceImpl extends GrowthlecturesServiceImpl {
 	
 	//TODO: remove
 	private LectureSummaryDto getSampleLecture() {
-		LectureSummaryDtoImpl dto = new LectureSummaryDtoImpl();
+		LectureSummaryDto dto = dtoFactory.createDto(LectureSummaryDto.class);
 		NamedDto cat = new NamedDtoImpl() as NamedDto;
 		cat.setName("Peter");
 		cat.setSlug("peter");
-		dto.category = cat;
+		dto.setCategory(cat);
 		dto.description = "Das ist die Beschreibung";
 		dto.duration = 817;
 		dto.rating = 3.5D;
diff --git a/src/main/groovy/com/xinra/growthlectures/service/LectureSummaryDtoImpl.groovy b/src/main/groovy/com/xinra/growthlectures/service/LectureSummaryDtoImpl.groovy
index 9d93c65..e04b4df 100644
--- a/src/main/groovy/com/xinra/growthlectures/service/LectureSummaryDtoImpl.groovy
+++ b/src/main/groovy/com/xinra/growthlectures/service/LectureSummaryDtoImpl.groovy
@@ -1,16 +1,24 @@
 package com.xinra.growthlectures.service
 
 import groovy.transform.CompileStatic
-import org.apache.catalina.UserDatabase
 
 @CompileStatic
 class LectureSummaryDtoImpl extends NamedDtoImpl {
 
-  def NamedDto category;
+  //def NamedDto category;
   def Boolean played;
   def String description;
   def Double rating;
   def Integer userRating;
   def Integer duration;
   
+  private NamedDto category;
+  
+  public NamedDto getCategory() {
+    return category;
+  }
+  
+  public void setCategory(NamedDto category) {
+    this.category = category;
+  }
 }