diff --git a/cleanthesis.sty b/cleanthesis.sty
index 5ca7457..1c5257b 100644
--- a/cleanthesis.sty
+++ b/cleanthesis.sty
@@ -627,7 +627,7 @@
     \usekomafont{chapter}%
     \begin{minipage}[t]{0.3\textwidth}%
         \raggedleft{%
-            {\color{ctcolorchapterline}\rule[-5pt]{2pt}{5cm}}%
+            {\color{ctcolorchapterline}\rule[-5pt]{2pt}{6.9em}}%
             \quad%
             {\color{ctcolorchapternum}\fontsize{60}{60}\selectfont#1}%
         }%