diff --git a/build.xml b/build.xml
index e27ffe9..8ea3725 100755
--- a/build.xml
+++ b/build.xml
@@ -66,7 +66,7 @@
 
 	<target name="build">
 		<mkdir dir="${buildDir}" />
-		<javac srcdir="${srcDir}" destdir="${buildDir}" debug="yes" debugLevel="lines,vars,source">
+		<javac target="1.7" srcdir="${srcDir}" destdir="${buildDir}" debug="yes" debugLevel="lines,vars,source">
             <classpath refid="classpath.build" />
 			<include name="**/*.java" />
 		</javac>