diff --git a/bericht/benchmarks/all-reduce-2.tex b/bericht/benchmarks/all-reduce-2.tex
index a848ac0..bfc824f 100644
--- a/bericht/benchmarks/all-reduce-2.tex
+++ b/bericht/benchmarks/all-reduce-2.tex
@@ -3,6 +3,7 @@
 \usepgfplotslibrary{dateplot}
 \usepackage{tikz}
 \usepackage{pgfplotstable}
+\usepackage[utf8]{inputenc}
 
 \begin{document}
 \pgfplotstableread{
diff --git a/bericht/benchmarks/all-reduce-4.tex b/bericht/benchmarks/all-reduce-4.tex
index 7ccffcb..094b889 100644
--- a/bericht/benchmarks/all-reduce-4.tex
+++ b/bericht/benchmarks/all-reduce-4.tex
@@ -3,6 +3,7 @@
 \usepgfplotslibrary{dateplot}
 \usepackage{tikz}
 \usepackage{pgfplotstable}
+\usepackage[utf8]{inputenc}
 
 \begin{document}
 \pgfplotstableread{
diff --git a/bericht/benchmarks/all-reduce-8.tex b/bericht/benchmarks/all-reduce-8.tex
index 2d8bfa8..69d6c1b 100644
--- a/bericht/benchmarks/all-reduce-8.tex
+++ b/bericht/benchmarks/all-reduce-8.tex
@@ -3,6 +3,7 @@
 \usepgfplotslibrary{dateplot}
 \usepackage{tikz}
 \usepackage{pgfplotstable}
+\usepackage[utf8]{inputenc}
 
 \begin{document}
 \pgfplotstableread{
diff --git a/bericht/benchmarks/all-to-all-2.tex b/bericht/benchmarks/all-to-all-2.tex
index 6180ac0..a603f2a 100644
--- a/bericht/benchmarks/all-to-all-2.tex
+++ b/bericht/benchmarks/all-to-all-2.tex
@@ -3,6 +3,7 @@
 \usepgfplotslibrary{dateplot}
 \usepackage{tikz}
 \usepackage{pgfplotstable}
+\usepackage[utf8]{inputenc}
 
 \begin{document}
 \pgfplotstableread{
diff --git a/bericht/benchmarks/all-to-all-4.tex b/bericht/benchmarks/all-to-all-4.tex
index 35e589b..3b1c9db 100644
--- a/bericht/benchmarks/all-to-all-4.tex
+++ b/bericht/benchmarks/all-to-all-4.tex
@@ -3,6 +3,7 @@
 \usepgfplotslibrary{dateplot}
 \usepackage{tikz}
 \usepackage{pgfplotstable}
+\usepackage[utf8]{inputenc}
 
 \begin{document}
 \pgfplotstableread{
diff --git a/bericht/benchmarks/all-to-all-8.tex b/bericht/benchmarks/all-to-all-8.tex
index 7a98679..84bac13 100644
--- a/bericht/benchmarks/all-to-all-8.tex
+++ b/bericht/benchmarks/all-to-all-8.tex
@@ -3,6 +3,7 @@
 \usepgfplotslibrary{dateplot}
 \usepackage{tikz}
 \usepackage{pgfplotstable}
+\usepackage[utf8]{inputenc}
 
 \begin{document}
 \pgfplotstableread{