diff --git a/avalon-logkit.changes b/avalon-logkit.changes
index f276ff3..f7990a7 100644
--- a/avalon-logkit.changes
+++ b/avalon-logkit.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Sep 15 09:20:19 UTC 2017 - fstrba@suse.com
+
+- Fix build with jdk9 by specifying java source and target 1.6
+- Clean spec file
+
 -------------------------------------------------------------------
 Sun May 21 08:08:29 UTC 2017 - tchvatal@suse.com
 
diff --git a/avalon-logkit.spec b/avalon-logkit.spec
index 73807d5..170a10f 100644
--- a/avalon-logkit.spec
+++ b/avalon-logkit.spec
@@ -37,6 +37,7 @@ Patch3:         fix-java7-compile.patch
 BuildRequires:  ant
 BuildRequires:  ant-junit
 BuildRequires:  avalon-framework >= 4.1.4
+BuildRequires:  java-devel >= 1.6
 BuildRequires:  javamail
 BuildRequires:  javapackages-local
 BuildRequires:  javapackages-tools
@@ -74,19 +75,19 @@ cp %{SOURCE1} pom.xml
 find . -name "*.jar" -exec rm -f {} \;
 
 %build
-export CLASSPATH=%(build-classpath \
+ant clean
+mkdir -p target/lib
+build-jar-repository -s -p target/lib \
                    log4j \
                    javamail/mailapi \
                    jms_api \
                    tomcat-servlet-api \
-                   jdbc-stdext \
                    avalon-framework \
                    junit \
-                  ):$PWD/build/classes
 
-ant -Dant.build.javac.source=1.5 -Dant.build.javac.target=1.5 \
-    -Dencoding=ISO-8859-1 -Dnoget=true clean jar javadoc \
-    -lib %{_datadir}/java
+ant -Dant.build.javac.source=1.6 -Dant.build.javac.target=1.6 \
+    -Dencoding=ISO-8859-1 -Dnoget=true -lib %{_datadir}/java \
+    jar javadoc
 
 %install
 # jars
@@ -103,14 +104,12 @@ install -d -m 755 %{buildroot}%{_javadocdir}/%{name}
 cp -pr dist/docs/api/* %{buildroot}%{_javadocdir}/%{name}
 
 %files
-%defattr(0644,root,root,0755)
 %doc LICENSE.txt NOTICE.txt
 %{_javadir}/*
 %{_datadir}/maven-metadata/%{name}.xml
 %{_mavenpomdir}/JPP-%{name}.pom
 
 %files javadoc
-%defattr(0644,root,root,0755)
 %doc LICENSE.txt
 %{_javadocdir}/*