diff --git a/test/py.twisted/Makefile.am b/test/py.twisted/Makefile.am
index dee8e2f..bd0cdb1 100644
--- a/test/py.twisted/Makefile.am
+++ b/test/py.twisted/Makefile.am
@@ -19,8 +19,8 @@
 
 TRIAL ?= trial
 
-stubs: ../ThriftTest.thrift ../SmallTest.thrift
-	$(THRIFT) --gen py:twisted ../ThriftTest.thrift
+stubs: ../v0.16/ThriftTest.thrift ../SmallTest.thrift
+	$(THRIFT) --gen py:twisted ../v0.16/ThriftTest.thrift
 	$(THRIFT) --gen py:twisted ../SmallTest.thrift
 
 check: stubs