diff --git a/.gitattributes b/.gitattributes
index 5b2719d9466b9125afa53ba1052d7f268530acd4..49523506eca6098ccfb0f3860848042431b2a2f6 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,2 @@
 *.pdf filter=lfs diff=lfs merge=lfs -text
-mlu-siegel-transparent.png filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
diff --git a/mluthesis.cls b/mluthesis.cls
index fcffc8861d1fde592f346e149e68d7de732c713b..ce6782bb9c3b51cf1006197bd07edd361257216b 100644
--- a/mluthesis.cls
+++ b/mluthesis.cls
@@ -8,7 +8,7 @@
 \ProvidesClass{mluthesis}[2020/04/20 v1.0]
 
 % Load base class (scrbook).
-\LoadClass[a4paper,12pt,oneside,bibliography=totoc,chapterprefix=true,appendixprefix=true]{scrbook}
+\LoadClass[a4paper,12pt,oneside,bibliography=nottotoc,chapterprefix=true,appendixprefix=true]{scrbook}
 
 % Encoding:
 \RequirePackage[utf8]{inputenc}
@@ -274,7 +274,7 @@
 % Pass default options to hyperref class, if loaded.
 \newcommand{\hyperoptions}{
   colorlinks=false,
-  pageanchor=false
+  pageanchor=true
 }
 \newcommand{\hyperpdfoptions}{
   pdftex,
diff --git a/sample.pdf b/sample.pdf
index 28197ce5b801971b223a1c96884d70e41e38b040..0981de6e4d79349a714c86f7c39b787af82d2d68 100644
--- a/sample.pdf
+++ b/sample.pdf
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:54e8bfe81e0c17acd4d6e5eba92d346c21303e0dec7cfcf82688738709a89145
-size 521006
+oid sha256:67be6396d7b3954a0008988048b7397808fef35f0d5ea0135a310112427e7aed
+size 532190
diff --git a/sample.tex b/sample.tex
index 48a6442b46c65cf08ba76481dfa2a4f386d151e4..9d703e4caf2bb5578ec4a703ad29bd07677d46c2 100644
--- a/sample.tex
+++ b/sample.tex
@@ -1,11 +1,14 @@
 \documentclass[english]{mluthesis} % Supported languages: english, german
 
-\usepackage{hyperref}
-\usepackage{natbib, doi}
-\usepackage{graphicx}
 \usepackage{amsmath}
 \usepackage{csquotes}
 \MakeOuterQuote{"}
+\usepackage{graphicx}
+\usepackage{hyperref}
+
+\usepackage{biblatex}
+\addbibresource{sample.bib}
+\usepackage{doi}
 
 \usepackage{lipsum} % for lorem ipsum sample text
 
@@ -28,7 +31,7 @@
 
 % This is a list, seperated with commata.
 % If you only put one entry, the numbers will be omitted.
-\ThesisSetSupervisors{{Prof. Professor McProfessorface}, {Dr. Noonien Soong}}
+\ThesisSetSupervisors{{Prof. McProfessorface},{Dr. Noonien Soong}}
 
 % This puts the MLU sigil on the title page.
 \ThesisSetLogo{\includegraphics[width=\linewidth]{mlu-siegel-transparent.png}}
@@ -71,8 +74,7 @@
 \lipsum[5-7]
 
 \nocite{*}
-\bibliographystyle{plainnat}
-\bibliography{sample} % uses file sample.bib
+\printbibliography
 
 \declaration