diff --git a/demo/demo.pdf b/demo/demo.pdf
index 079597a..8d330e1 100644
Binary files a/demo/demo.pdf and b/demo/demo.pdf differ
diff --git a/doc/metropolistheme.pdf b/doc/metropolistheme.pdf
index 25162c8..fb3294c 100644
Binary files a/doc/metropolistheme.pdf and b/doc/metropolistheme.pdf differ
diff --git a/source/beamerinnerthememetropolis.dtx b/source/beamerinnerthememetropolis.dtx
index 1482fbc..4d69b59 100644
--- a/source/beamerinnerthememetropolis.dtx
+++ b/source/beamerinnerthememetropolis.dtx
@@ -257,7 +257,7 @@
 %    \begin{macrocode}
 \setbeamertemplate{title separator}{
   \begin{tikzpicture}
-    \draw[fg] (0, 0) -- (\textwidth, 0);
+    \draw[fg, fill=fg] (0,0) rectangle (\textwidth, 0.4pt);
   \end{tikzpicture}%
   \par%
 }