diff --git a/buildout.cfg b/buildout.cfg
index 0bbc70ef0a00ee9c2b0b9ee8227b08829aae132d..13e6f1054b53a6630f5d1873025eb76be097172b 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -28,7 +28,7 @@ eggs = xbob.blitz xbob.buildout xbob.extension
 
 [xbob.learn.activation]
 recipe = xbob.buildout:develop
-eggs = xbob.blitz xbob.io
+eggs = xbob.blitz xbob.io xbob.buildout xbob.extension
 
 [scripts]
 recipe = xbob.buildout:scripts