diff --git a/simvue/metadata.py b/simvue/metadata.py
index 5d8540a0..197e03e1 100644
--- a/simvue/metadata.py
+++ b/simvue/metadata.py
@@ -30,41 +30,41 @@ def git_info(repository: str) -> dict[str, typing.Any]:
     """
     try:
         git_repo = git.Repo(repository, search_parent_directories=True)
-    except git.InvalidGitRepositoryError:
-        return {}
-    current_commit: git.Commit = git_repo.head.commit
-    author_list: set[str] = set(
-        email
-        for commit in git_repo.iter_commits("--all")
-        if "noreply" not in (email := (commit.author.email or ""))
-        and "[bot]" not in (commit.author.name or "")
-    )
+    except (git.InvalidGitRepositoryError, ValueError):
+        current_commit: git.Commit = git_repo.head.commit
+        author_list: set[str] = set(
+            email
+            for commit in git_repo.iter_commits("--all")
+            if "noreply" not in (email := (commit.author.email or ""))
+            and "[bot]" not in (commit.author.name or "")
+        )
 
-    ref: str = current_commit.hexsha
+        ref: str = current_commit.hexsha
 
-    # In the case where the repository is dirty blame should point to the
-    # current developer, not the person responsible for the latest commit
-    if dirty := git_repo.is_dirty():
-        blame = git_repo.config_reader().get_value("user", "email", "unknown")
-    else:
-        blame = current_commit.committer.email
+        # In the case where the repository is dirty blame should point to the
+        # current developer, not the person responsible for the latest commit
+        if dirty := git_repo.is_dirty():
+            blame = git_repo.config_reader().get_value("user", "email", "unknown")
+        else:
+            blame = current_commit.committer.email
 
-    for tag in git_repo.tags:
-        if tag.commit == current_commit:
-            ref = tag.name
-            break
+        for tag in git_repo.tags:
+            if tag.commit == current_commit:
+                ref = tag.name
+                break
 
-    return {
-        "git.authors": json.dumps(list(author_list)),
-        "git.ref": ref,
-        "git.msg": current_commit.message.strip(),
-        "git.time_stamp": current_commit.committed_datetime.strftime(
-            "%Y-%m-%d %H:%M:%S %z UTC"
-        ),
-        "git.blame": blame,
-        "git.url": git_repo.remote().url,
-        "git.dirty": dirty,
-    }
+        return {
+            "git.authors": json.dumps(list(author_list)),
+            "git.ref": ref,
+            "git.msg": current_commit.message.strip(),
+            "git.time_stamp": current_commit.committed_datetime.strftime(
+                "%Y-%m-%d %H:%M:%S %z UTC"
+            ),
+            "git.blame": blame,
+            "git.url": git_repo.remote().url,
+            "git.dirty": dirty,
+        }
+    return {}
 
 
 if __name__ in "__main__":