diff -r 4ec56c0bcc5c -r d84bc85f7f70 cubicweb/web/webctl.py
--- a/cubicweb/web/webctl.py	Thu Feb 15 14:11:18 2018 +0100
+++ b/cubicweb/web/webctl.py	Thu Feb 15 13:45:06 2018 +0100
@@ -115,7 +115,7 @@
             cube_datadir = osp.join(cwcfg.cube_dir(cube), 'data')
             if osp.isdir(cube_datadir):
                 yield cube_datadir
-        yield osp.join(config.shared_dir(), 'data')
+        yield _DATA_DIR
 
 
 class WebUpgradeHandler(CommandHandler, GenStaticDataDirMixIn):