diff --git a/bootstrap.sh b/bootstrap.sh
index 74ecdb8..52d5a51 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -20,6 +20,7 @@
 #
 
 ./cleanup.sh
+(cd lib/php/src/ext/thrift_protocol && phpize)
 
 autoscan || exit 1
 aclocal -I ./aclocal || exit 1