diff --git a/appendix.tex b/appendix.tex
index dc63c134b98aaa666d49455183ddb40951aee39d..98760c0696e6b96d0f3f8eb5cb341adc99d0ed7e 100644
--- a/appendix.tex
+++ b/appendix.tex
@@ -62,7 +62,7 @@
 
         \textbf{MIN-Fakultät}\\
         \textbf{Institut für Experimentalphysik}\\
-        \textit{Tel.}: +49 40 8998-2617\\ % TODO
+        \textit{Tel.}: +49 40 8998-82165\\
         \textit{Geb.}: DESY Campus 68/121
 
         \vspace{0.5cm}