diff --git a/tests/testsuite.at b/tests/testsuite.at
index 7f9fa361..b1f3804f 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -85,6 +85,7 @@ m4_include([extrac02.at])
 m4_include([extrac03.at])
 m4_include([extrac04.at])
 m4_include([extrac05.at])
+m4_include([extrac06.at])
 
 m4_include([gzip.at])