diff --git a/lib/cpp/Makefile.am b/lib/cpp/Makefile.am
index 4a7ef83..f40cdb1 100755
--- a/lib/cpp/Makefile.am
+++ b/lib/cpp/Makefile.am
@@ -128,7 +128,8 @@
                          src/thrift/TReflectionLocal.h \
                          src/thrift/TProcessor.h \
                          src/thrift/TApplicationException.h \
-                         src/thrift/TLogging.h
+                         src/thrift/TLogging.h \
+                         src/thrift/cxxfunctional.h
 
 include_concurrencydir = $(include_thriftdir)/concurrency
 include_concurrency_HEADERS = \