diff --git a/glassfish-jaxb-api.spec b/glassfish-jaxb-api.spec
index 27bb55e..ea25fc1 100644
--- a/glassfish-jaxb-api.spec
+++ b/glassfish-jaxb-api.spec
@@ -60,9 +60,14 @@ This package contains javadoc for %{name}.
 %pom_remove_plugin :cobertura-maven-plugin jaxb-api
 %pom_remove_plugin :maven-dependency-plugin jaxb-api
 
+%pom_xpath_inject "pom:plugin[pom:artifactId = 'maven-javadoc-plugin']/pom:configuration" "
+    <sourceFileExcludes>
+        <exclude>module-info.java</exclude>
+    </sourceFileExcludes>" jaxb-api
+
 %build
 %{mvn_file} :{*} @1
-%{mvn_build} -f -j
+%{mvn_build} -f -- -Dsource=8
 
 %install
 %mvn_install
@@ -71,9 +76,7 @@ This package contains javadoc for %{name}.
 %files -f .mfiles
 %license LICENSE.txt
 
-%if 0
 %files javadoc -f .mfiles-javadoc
 %license LICENSE.txt
-%endif
 
 %changelog