diff --git a/lib/cpp/test/Makefile.am b/lib/cpp/test/Makefile.am
index f2ffa45..05ee9cc 100755
--- a/lib/cpp/test/Makefile.am
+++ b/lib/cpp/test/Makefile.am
@@ -231,4 +231,6 @@
 EXTRA_DIST = \
 	DenseProtoTest.cpp \
 	ThriftTest_extras.cpp \
-	DebugProtoTest_extras.cpp
+	DebugProtoTest_extras.cpp \
+	concurrency \
+	processor