diff --git a/xmlgraphics-commons.changes b/xmlgraphics-commons.changes
index fab1182..2953b6d 100644
--- a/xmlgraphics-commons.changes
+++ b/xmlgraphics-commons.changes
@@ -1,7 +1,12 @@
+-------------------------------------------------------------------
+Tue Sep 19 07:32:15 UTC 2017 - fstrba@suse.com
+
+- Fix build with jdk9: specify java source and target level 1.6
+
 -------------------------------------------------------------------
 Fri May 19 11:03:58 UTC 2017 - vsistek@suse.com
 
-- Add BuildRequires: javapackages-local (for maven conversions) 
+- Add BuildRequires: javapackages-local (for maven conversions) 
 
 -------------------------------------------------------------------
 Mon Mar 20 15:20:21 UTC 2017 - sknorr@suse.com
diff --git a/xmlgraphics-commons.spec b/xmlgraphics-commons.spec
index 5827110..6dbcec6 100644
--- a/xmlgraphics-commons.spec
+++ b/xmlgraphics-commons.spec
@@ -30,6 +30,7 @@ BuildRequires:  ant >= 1.6.5
 BuildRequires:  ant-junit
 BuildRequires:  apache-commons-io >= 1.1
 BuildRequires:  apache-commons-logging
+BuildRequires:  fdupes
 BuildRequires:  gpg2
 # Needed for maven conversions
 BuildRequires:  javapackages-local
@@ -54,8 +55,7 @@ Summary:        Javadoc for %{name}
 Group:          Documentation/HTML
 
 %description javadoc
-
-%{summary}.
+Javadoc for package %{name}.
 
 %prep
 %setup -q %{name}-%{version}
@@ -69,7 +69,7 @@ pushd lib
 ln -sf $(build-classpath commons-io) .
 ln -sf $(build-classpath commons-logging) .
 popd
-ant package javadocs maven-artifacts
+ant -Djavac.source=1.6 -Djavac.target=1.6 package javadocs maven-artifacts
 
 %install
 install -Dpm 644 build/%{name}-%{version}.jar \
@@ -83,11 +83,11 @@ install -pm 644 build/maven/pom.xml %{buildroot}%{_mavenpomdir}/JPP-%{name}.pom
 
 install -dm 755 %{buildroot}%{_javadocdir}/%{name}
 cp -pr build/javadocs/* %{buildroot}%{_javadocdir}/%{name}
+%fdupes -s %{buildroot}%{_javadocdir}/%{name}
 #
 install -dm 755 %{buildroot}%{_docdir}/%{name}
 
 %files
-%defattr(0644,root,root,0755)
 %doc LICENSE
 %{_javadir}/%{name}.jar
 %{_mavenpomdir}/*
@@ -98,7 +98,6 @@ install -dm 755 %{buildroot}%{_docdir}/%{name}
 %endif
 
 %files javadoc
-%defattr(0644,root,root,0755)
 %{_javadocdir}/%{name}
 
 %changelog