diff --git a/test/rb/Makefile b/test/rb/Makefile
index ed0f91b..3dd8875 100644
--- a/test/rb/Makefile
+++ b/test/rb/Makefile
@@ -16,7 +16,7 @@
 	$(THRIFT) --gen rb ../SmallTest.thrift
 
 tests: stubs
-	ruby TestSuite.rb
+	ruby test_suite.rb
 
 clean:
 	$(RM) -r gen-rb