diff --git a/lib/php/Makefile.am b/lib/php/Makefile.am
index 7bb45e4..866e053 100755
--- a/lib/php/Makefile.am
+++ b/lib/php/Makefile.am
@@ -120,6 +120,7 @@
   src/autoload.php \
   src/ext/thrift_protocol/config.m4 \
   src/ext/thrift_protocol/config.w32 \
+  src/ext/thrift_protocol/php_thrift_protocol7.cpp \
   src/ext/thrift_protocol/php_thrift_protocol.cpp \
   src/ext/thrift_protocol/php_thrift_protocol.h \
   src/ext/thrift_protocol/run-tests.php \