diff --git a/build.xml b/build.xml
index 2a6bb20e7..c4e11153f 100644
--- a/build.xml
+++ b/build.xml
@@ -3,7 +3,7 @@
 	<property file="buildspecs.properties" prefix="buildspecs" />
 
 	<property name="mod.version" value="0.6.3" />
-	<condition property="mod.build" value="${env.BUILD_NUMBER}" else="0">
+	<condition property="mod.build" value=".${env.BUILD_NUMBER}" else="0">
 		<isset property="env.BUILD_NUMBER" />
 	</condition>
 	<property name="mc.version" value="1.6.4" />
@@ -18,7 +18,7 @@
 	<property name="fmp.dir" value="${build.dir}/fmp" />
 	<property name="mcp.dir" value="${forge.dir}/mcp" />
 
-	<property name="mod.name" value="BiomesOPlenty-universal-${mc.version}-${mod.version}.${mod.build}.jar" />
+	<property name="mod.name" value="BiomesOPlenty-universal-${mc.version}-${mod.version}${mod.build}.jar" />
 
 	<property name="forge.name" value="minecraftforge-src-${mc.version}-${forge.version}.zip" />
 	<property name="fmp.name" value="ForgeMultipart-dev-${mc.version}-${fmp.version}.jar" />