Usage of package `fancyhdr' together(scrreprt) with a KOMA-Script class is not recommended.
\documentclass[10pt,a4paper,titlepage,parskip=half-, listof=totoc]{scrreprt} \usepackage[utf8]{inputenc} \usepackage[ngerman]{babel} \usepackage[T1]{fontenc} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsmath} \usepackage{color} \usepackage{geometry} \usepackage{graphicx} \setkomafont{captionlabel}{\normalsize\bfseries} %Abbildung wird fett, der Rest nicht \geometry{a4paper, top=20mm, left=28mm, right=35mm, bottom=25mm,headsep=10mm, footskip=12mm} \makeatletter \renewcommand*\l@figure{\@dottedtocline{1}{0em}{2.8em}} \renewcommand*\l@table{\@dottedtocline{1}{0em}{2.3em}} \makeatother \usepackage{fancyhdr} \pagestyle{fancy} % Kopfzeile \rhead{\slshape \thesection} \chead{} \lhead{\slshape \leftmark} % Fußzeile \lfoot{} \cfoot{\thepage} \rfoot{} % Striche \renewcommand{\headrulewidth}{0.2pt} \renewcommand{\footrulewidth}{0pt} Kann mir jemand helfen?