diff --git a/test/test_songbook/lang_fr.tex.control b/test/test_songbook/lang_fr.tex.control
index 0eeac9aa..9760264c 100644
--- a/test/test_songbook/lang_fr.tex.control
+++ b/test/test_songbook/lang_fr.tex.control
@@ -66,8 +66,8 @@ guitar,
 \title{Recueil de chansons pour guitare}
 \author{L'équipe Patacrep}
 
-\newindex{titleidx}{french_title}
-\newauthorindex{authidx}{french_auth}
+\newindex{titleidx}{lang_fr_title}
+\newauthorindex{authidx}{lang_fr_auth}
 
 \authignoreword{unknown}
 \authbyword{by}
@@ -128,4 +128,4 @@ guitar,
 
 
 
-\end{document}
\ No newline at end of file
+\end{document}