diff --git a/t/conf/extra.conf.in b/t/conf/extra.conf.in
index 67c2e23..4c96526 100644
--- a/t/conf/extra.conf.in
+++ b/t/conf/extra.conf.in
@@ -1,3 +1,15 @@
+<IfModule !mod_authz_user.c>
+LoadModule authz_user_module "@apache2_moduledir@/mod_authz_user.so"
+</IfModule>
+
+<IfModule !mod_authn_core.c>
+LoadModule authn_core_module "@apache2_moduledir@/mod_authn_core.so"
+</IfModule>
+
+<IfModule !mod_auth_basic.c>
+LoadModule auth_basic_module "@apache2_moduledir@/mod_auth_basic.so"
+</IfModule>
+
 # needed to test $r->psignature
 ServerSignature On