diff --git a/java/vector/pom.xml b/java/vector/pom.xml
index 07af93a499907..a315bbc03afb6 100644
--- a/java/vector/pom.xml
+++ b/java/vector/pom.xml
@@ -199,7 +199,7 @@
             <phase>generate-sources</phase>
             <configuration>
               <config>src/main/codegen/config.fmpp</config>
-              <output>${project.build.directory}/generated-sources</output>
+              <output>${project.build.directory}/generated-sources/fmpp</output>
               <templates>${project.build.directory}/codegen/templates</templates>
             </configuration>
           </execution>