diff --git a/wsdl4j.changes b/wsdl4j.changes
index 9fab6f4..b1aad98 100644
--- a/wsdl4j.changes
+++ b/wsdl4j.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Jun 27 11:48:18 UTC 2014 - tchvatal@suse.com
+
+- Fix build on SLE11.
+
 -------------------------------------------------------------------
 Tue Jun 17 15:39:38 UTC 2014 - tchvatal@suse.com
 
diff --git a/wsdl4j.spec b/wsdl4j.spec
index fad6a16..c82798c 100644
--- a/wsdl4j.spec
+++ b/wsdl4j.spec
@@ -59,7 +59,7 @@ Description Language for Java.
 %setup -q -n %{name}-1_6_3
 
 %build
-ant compile javadocs
+ant -Dant.build.javac.source=1.5 -Dant.build.javac.target=1.5 compile javadocs
 
 %install
 # inject OSGi manifests