diff --git a/lib/php/Makefile.am b/lib/php/Makefile.am
index b7c7100..b317197 100755
--- a/lib/php/Makefile.am
+++ b/lib/php/Makefile.am
@@ -43,7 +43,8 @@
 phpprotocol_DATA = \
   src/protocol/TBinaryProtocol.php \
   src/protocol/TBinarySerializer.php \
-  src/protocol/TProtocol.php
+  src/protocol/TProtocol.php \
+  src/protocol/TJSONProtocol.php
 
 phptransportdir = $(phpdir)/transport
 phptransport_DATA = \