diff --git a/src/poetry/repositories/installed_repository.py b/src/poetry/repositories/installed_repository.py
index 2a3496ac5ba..cbdb738a66e 100644
--- a/src/poetry/repositories/installed_repository.py
+++ b/src/poetry/repositories/installed_repository.py
@@ -257,9 +257,7 @@ def load(cls, env: Env, with_dependencies: bool = False) -> InstalledRepository:
                 if path in skipped:
                     continue
 
-                try:
-                    name = canonicalize_name(distribution.metadata["name"])
-                except TypeError:
+                if "name" not in distribution.metadata:
                     logger.warning(
                         (
                             "Project environment contains an invalid distribution"
@@ -271,6 +269,8 @@ def load(cls, env: Env, with_dependencies: bool = False) -> InstalledRepository:
                     skipped.add(path)
                     continue
 
+                name = canonicalize_name(distribution.metadata["name"])
+
                 if name in seen:
                     continue