diff --git a/prebuild.xml b/prebuild.xml
index dfadf2d839..a34661c960 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -3877,7 +3877,7 @@
 
 <!-- /////////////////// END OF INSERTION ///////////////////////////// -->
 
-  <? include file="addon-modules/*/prebuild.xml" ?>
+  <?include file="addon-modules/*/prebuild.xml" ?>
 
   </Solution>