diff --git a/plugin-parent/project.properties b/plugin-parent/project.properties
index 48acb61e..5220fc63 100644
--- a/plugin-parent/project.properties
+++ b/plugin-parent/project.properties
@@ -28,6 +28,7 @@ maven.xdoc.distributionUrl=http://www.apache.org/dyn/closer.cgi/java-repository/
 maven.xdoc.version = ${pom.currentVersion}
 # Use the maven site theme
 maven.xdoc.theme.url=http://maven.apache.org/maven-1.x/style/maven-stylus.css
+maven.xdoc.locale.default=en
 
 # Checkstyle plugin settings
 maven.checkstyle.header.file = ${basedir}/../checkstyle-license.txt