diff --git a/tests/debian/01/data/login_files b/tests/debian/01/data/login_files
index e202af83..1a01eb0a 100644
--- a/tests/debian/01/data/login_files
+++ b/tests/debian/01/data/login_files
@@ -158,6 +158,7 @@
 /usr/share/man/de/man1
 /usr/share/man/de/man1/login.1.gz
 /usr/share/man/de/man1/newgrp.1.gz
+/usr/share/man/de/man1/su.1.gz
 /usr/share/man/es
 /usr/share/man/es/man1
 /usr/share/man/es/man1/login.1.gz