diff --git a/pom.xml b/pom.xml
index 698362e0e..01b804395 100644
--- a/pom.xml
+++ b/pom.xml
@@ -140,6 +140,7 @@
                 <artifactId>flatten-maven-plugin</artifactId>
                 <version>${flatten.maven.plugin.version}</version>
                 <configuration>
+                    <flattenMode>oss</flattenMode>
                 </configuration>
                 <executions>
                     <!-- enable flattening -->