diff --git a/test/Makefile.am b/test/Makefile.am
index 51da3ba..01fab4f 100755
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -91,6 +91,11 @@
 PRECROSS_TARGET += precross-lua
 endif
 
+if WITH_RS
+SUBDIRS += rs
+PRECROSS_TARGET += precross-rs
+endif
+
 #
 # generate html for ThriftTest.thrift
 #
@@ -117,6 +122,7 @@
 	py.twisted \
 	py.tornado \
 	rb \
+	rs \
 	threads \
 	AnnotationTest.thrift \
 	BrokenConstants.thrift \