diff --git a/configure.ac b/configure.ac
index 1fdbea722..e66346da4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,6 +17,7 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",
                    [The prefix for our gettext translation domains.])
 
 PKG_CHECK_MODULES(MUTTER_PLUGIN, gtk+-2.0 metacity-plugins gjs-gi-1.0)
+PKG_CHECK_MODULES(TIDY, clutter-0.8)
 PKG_CHECK_MODULES(TRAY, gtk+-2.0)
 
 # Sets GLIB_GENMARSHAL and GLIB_MKENUMS