diff --git a/unix-ffi/urllib.parse/manifest.py b/unix-ffi/urllib.parse/manifest.py
index ad213bf0..7023883f 100644
--- a/unix-ffi/urllib.parse/manifest.py
+++ b/unix-ffi/urllib.parse/manifest.py
@@ -2,6 +2,6 @@ metadata(version="0.5.2")
 
 require("re", unix_ffi=True)
 require("collections")
-require("collections.defaultdict")
+require("collections-defaultdict")
 
 package("urllib")