diff --git a/compiler/cpp/Makefile.am b/compiler/cpp/Makefile.am
index d7c7085..33d61a7 100644
--- a/compiler/cpp/Makefile.am
+++ b/compiler/cpp/Makefile.am
@@ -12,6 +12,7 @@
                  src/generate/t_php_generator.cc \
                  src/generate/t_xsd_generator.cc \
                  src/generate/t_erl_generator.cc \
+                 src/generate/t_alterl_generator.cc \
                  src/globals.h \
                  src/main.h \
                  src/platform.h \
@@ -38,7 +39,8 @@
                  src/generate/t_oop_generator.h \
                  src/generate/t_php_generator.h \
                  src/generate/t_xsd_generator.h \
-                 src/generate/t_erl_generator.h
+                 src/generate/t_erl_generator.h \
+                 src/generate/t_alterl_generator.h
 
 if THRIFT_GEN_cpp
 thrift_SOURCES += src/generate/t_cpp_generator.cc