diff --git a/build.xml b/build.xml
index be47aadb527..8edf1f3d696 100644
--- a/build.xml
+++ b/build.xml
@@ -93,6 +93,7 @@
 				--log-junit ${basedir}/hudson/logs/junit.xml
 				--coverage-clover ${basedir}/hudson/coverage/clover.xml
   				--coverage-html ${basedir}/hudson/coverage/
+  				-d max_execution_time=300
   				test/phpunit/AllTests.php
   				"/>
   </exec>