diff --git a/plugins/linux/build.xml b/plugins/linux/build.xml
index 89c4eeb..8db02c0 100644
--- a/plugins/linux/build.xml
+++ b/plugins/linux/build.xml
@@ -8,7 +8,7 @@
     </target>
 
     <target depends="init" name="compile">
-        <javac debug="true" deprecation="true" destdir="classes" source="1.4" srcdir="src/java">
+        <javac debug="true" deprecation="true" destdir="classes" source="1.4" target="1.4" srcdir="src/java">
             <classpath>
                 <pathelement location="../../coreAPI/bin/jinput.jar"/>
                 <pathelement location="../../coreAPI/lib/jutils.jar"/>