diff --git a/pom.xml b/pom.xml
index 8da0b2dbc5c..79ae7754aea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -845,6 +845,7 @@
         <file>
           <exists>gast/pom.xml</exists>
         </file>
+      </activation>
       <modules>
         <module>gast</module>
       </modules>