diff --git a/configure.ac b/configure.ac
index adebe9e..4892362 100755
--- a/configure.ac
+++ b/configure.ac
@@ -872,6 +872,7 @@
   tutorial/nodejs/Makefile
   tutorial/dart/Makefile
   tutorial/perl/Makefile
+  tutorial/php/Makefile
   tutorial/py/Makefile
   tutorial/py.twisted/Makefile
   tutorial/py.tornado/Makefile