diff --git a/test/Makefile.am b/test/Makefile.am
index 86b0067..39ea85a 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -21,6 +21,7 @@
 
 if WITH_PYTHON
 SUBDIRS += py
+SUBDIRS += py.twisted
 endif
 
 if WITH_RUBY
@@ -36,6 +37,7 @@
 	threads \
 	csharp \
 	py \
+	py.twisted \
 	rb \
 	perl \
 	php \