--- a/src/Doc/Typeclass_Hierarchy/document/root.tex	Mon May 17 23:38:16 2021 +0200
+++ b/src/Doc/Typeclass_Hierarchy/document/root.tex	Tue May 18 15:17:55 2021 +0200
@@ -9,7 +9,7 @@
 \hyphenation{Isar}
 \isadroptag{theory}
 
-\title{\includegraphics[scale=0.5]{isabelle_isar}
+\title{\includegraphics[scale=0.5]{isabelle_logo}
   \\[4ex] The {Isabelle/HOL} type-class hierarchy}
 \author{\emph{Florian Haftmann}}