diff --git a/test/cpp/Makefile.am b/test/cpp/Makefile.am
index 89fed8f..bc026b2 100755
--- a/test/cpp/Makefile.am
+++ b/test/cpp/Makefile.am
@@ -100,10 +100,10 @@
 #
 THRIFT = $(top_builddir)/compiler/cpp/thrift
 
-gen-cpp/ThriftTest.cpp gen-cpp/ThriftTest_types.cpp gen-cpp/ThriftTest_constants.cpp: $(top_srcdir)/test/ThriftTest.thrift
+gen-cpp/ThriftTest.cpp gen-cpp/ThriftTest_types.cpp gen-cpp/ThriftTest_constants.cpp: $(top_srcdir)/test/ThriftTest.thrift $(THRIFT)
 	$(THRIFT) --gen cpp:templates,cob_style -r $<
 
-gen-cpp/StressTest_types.cpp gen-cpp/StressTest_constants.cpp gen-cpp/Service.cpp: $(top_srcdir)/test/StressTest.thrift
+gen-cpp/StressTest_types.cpp gen-cpp/StressTest_constants.cpp gen-cpp/Service.cpp: $(top_srcdir)/test/StressTest.thrift $(THRIFT)
 	$(THRIFT) --gen cpp $<
 
 AM_CPPFLAGS = $(BOOST_CPPFLAGS) $(LIBEVENT_CPPFLAGS) -I$(top_srcdir)/lib/cpp/src -Igen-cpp