diff --git a/pom.xml b/pom.xml
index 0236960..89930f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -536,6 +536,7 @@
                     <artifactId>maven-surefire-plugin</artifactId>
                     <version>2.18.1</version>
                     <configuration>
+                        <argLine>-Duser.language=en -Duser.region=US</argLine>
                         <redirectTestOutputToFile>true
                         </redirectTestOutputToFile>
                         <printSummary>true</printSummary>