diff --git a/testing/tile.xml b/testing/tile.xml
index 08b62b2..4e139d2 100644
--- a/testing/tile.xml
+++ b/testing/tile.xml
@@ -1,5 +1,6 @@
 <project>
     <properties>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven-surefire-plugin.version>2.20.1</maven-surefire-plugin.version>
         <maven-failsafe-plugin.version>2.20.1</maven-failsafe-plugin.version>
     </properties>