diff --git a/src/poetry/utils/dependency_specification.py b/src/poetry/utils/dependency_specification.py
index 540f8ab41db..20030b43436 100644
--- a/src/poetry/utils/dependency_specification.py
+++ b/src/poetry/utils/dependency_specification.py
@@ -46,7 +46,7 @@ def _parse_dependency_specification_git_url(
     package = Provider.get_package_from_vcs(
         "git",
         url=url.url,
-        subdirectory=pair.get("subdirectory"),
+        directory=pair.get("subdirectory"),
         rev=pair.get("rev"),
         source_root=source_root,
     )