diff --git a/etc/rc b/etc/rc
index a9dc2b0c16..07f4717605 100755
--- a/etc/rc
+++ b/etc/rc
@@ -256,6 +256,7 @@ extension=pcntl.so
 extension=posix.so
 extension=readline.so
 extension=session.so
+extension=simplexml.so
 extension=shmop.so
 extension=sysvmsg.so
 extension=sysvsem.so