diff --git a/IronChests2/build.xml b/IronChests2/build.xml
index b60786f..1247e44 100644
--- a/IronChests2/build.xml
+++ b/IronChests2/build.xml
@@ -36,7 +36,7 @@
 		<property name="version.major" value="3" />
 		<property name="version.minor" value="2" />
 		<property name="version.rev" value="0" />
-		<condition property="version.build" value="${env.BUILD_NO}" else="0">
+		<condition property="version.build" value="${env.BUILD_NUMBER}" else="0">
 			<isset property="env.WORKSPACE" />
 		</condition>
 		<property name="version" value="${version.major}.${version.minor}.${version.rev}.${version.build}" />