diff --git a/configure.ac b/configure.ac
index 54f1960..468cf61 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,6 +8,6 @@
 
 AC_CONFIG_FILES([Makefile])
 
-AC_CONFIG_SUBDIRS([compiler lib/cpp lib/php])
+AC_CONFIG_SUBDIRS([compiler/py lib/cpp lib/php])
 
 AC_OUTPUT