diff --git a/compiler/cpp/Makefile.am b/compiler/cpp/Makefile.am
index 47725bd..0013121 100644
--- a/compiler/cpp/Makefile.am
+++ b/compiler/cpp/Makefile.am
@@ -49,6 +49,7 @@
                  src/parse/t_enum.h \
                  src/parse/t_enum_value.h \
                  src/parse/t_typedef.h \
+                 src/parse/t_typedef.cc \
                  src/parse/t_container.h \
                  src/parse/t_list.h \
                  src/parse/t_set.h \