diff --git a/maven-shade-plugin.spec b/maven-shade-plugin.spec
index c7009cc..e14bb2b 100644
--- a/maven-shade-plugin.spec
+++ b/maven-shade-plugin.spec
@@ -68,7 +68,10 @@ ln -s $(build-classpath plexus/utils) src/test/jars/plexus-utils-1.4.1.jar
 %pom_add_dep 'com.google.guava:guava'
 
 %build
-%{mvn_build} -f -- -Dmaven.compiler.release=7
+%{mvn_build} -f \
+%if %{?pkg_vcmp:%pkg_vcmp java-devel >= 9}%{!?pkg_vcmp:0}
+	-- -Dmaven.compiler.release=7
+%endif
 
 %install
 %mvn_install