diff --git a/bincio/dev.py b/bincio/dev.py
index da1ae36..b412510 100644
--- a/bincio/dev.py
+++ b/bincio/dev.py
@@ -87,9 +87,10 @@ def _start_serve(data: Path, api_port: int, site: Path, api_host: str = "127.0.0
     """Start bincio serve in a background thread."""
     import uvicorn
     import bincio.serve.server as srv
+    from bincio.serve import deps
 
-    srv.data_dir = data
-    srv.site_dir = site
+    deps.data_dir = data
+    deps.site_dir = site
 
     config = uvicorn.Config(
         srv.app,