diff --git a/pregelix-dataflow/pom.xml b/pregelix-dataflow/pom.xml
index c4ed479..d3f396e 100644
--- a/pregelix-dataflow/pom.xml
+++ b/pregelix-dataflow/pom.xml
@@ -25,6 +25,7 @@
 				<configuration>
 					<source>1.7</source>
 					<target>1.7</target>
+					<fork>true</fork>
 				</configuration>
 			</plugin>
 			<plugin>