diff --git a/pom.xml b/pom.xml
index 828b1e3..15b6926 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,6 +16,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<distroDirectory>distro</distroDirectory>
 		<serviceClass>Accounting</serviceClass>
+		<maven.compiler.source>1.7</maven.compiler.source>
 	</properties>
 
 	<scm>