diff --git a/content/Inhalt-BackMatter.tex b/content/Inhalt-BackMatter.tex
index b070d245a354323608edc2988229f8e10b4dc305..bbd5105b76548747df005baddc9eed03e4752cf7 100644
--- a/content/Inhalt-BackMatter.tex
+++ b/content/Inhalt-BackMatter.tex
@@ -190,7 +190,7 @@
 \phantomsection
 \addcontentsline{toc}{part}{\AppendixName}
 %
-\input{content/Z-Appendix/Derivations.tex}
+\input{content/Z0-Appendix/Derivations.tex}
 %
 % Reset the PDF bookmark level
 \bookmarksetup{startatroot}
diff --git a/content/Z-Appendix/Derivations.tex b/content/Z0-Appendix/Derivations.tex
similarity index 100%
rename from content/Z-Appendix/Derivations.tex
rename to content/Z0-Appendix/Derivations.tex