diff --git a/jdom2.spec b/jdom2.spec
index b29a90e..1bae457 100644
--- a/jdom2.spec
+++ b/jdom2.spec
@@ -61,11 +61,10 @@ sed -i 's/\r//' LICENSE.txt README.txt
 # Unable to run coverage: use log4j12 but switch to log4j 2.x
 sed -i.coverage "s|coverage, jars|jars|" build.xml
 
+%build
 mkdir lib
 build-jar-repository lib xerces-j2 xml-commons-apis jaxen junit isorelax xalan-j2 xalan-j2-serializer
-
-%build
-ant -Dversion=%{version} -Dj2se.apidoc=%{_javadocdir}/java maven
+ant -Dversion=%{version} -Dcompile.source=1.6 -Dcompile.target=1.6 -Dj2se.apidoc=%{_javadocdir}/java maven
 
 # Make jar into an OSGi bundle
 # XXX disabled until BND is fixed