diff --git a/package_physicsextensions.xml b/package_physicsextensions.xml
index 4462c4bdb01e59e5a9d7b4acdb598c2d719d5a4b..896e08f01f6a092713dc882e4c1a5c92fc5ac251 100644
--- a/package_physicsextensions.xml
+++ b/package_physicsextensions.xml
@@ -15,6 +15,8 @@
       <map>
         <key>common</key>
         <map>
+          <key>build_directory</key>
+          <string>stage</string>
           <key>configurations</key>
           <map>
             <key>Debug</key>