diff --git a/database/__init__.py b/database/__init__.py
index 30b7d19..b3af96e 100644
--- a/database/__init__.py
+++ b/database/__init__.py
@@ -46,7 +46,9 @@ def main():
         if args.command == "schema":
             create_schema(conn)
         elif args.command == "jixia":
-            project = LeanProject(args.project_root)
+            # jixia runs each module with cwd=project_root, so the module file
+            # path must be absolute — a relative root would be resolved twice.
+            project = LeanProject(os.path.abspath(args.project_root))
             prefixes = [parse_name(p) for p in args.prefixes.split(",")]
             load_data(project, prefixes, conn)
         elif args.command == "informal":
diff --git a/database/jixia_db.py b/database/jixia_db.py
index 69b2b3b..1457f54 100644
--- a/database/jixia_db.py
+++ b/database/jixia_db.py
@@ -38,7 +38,15 @@ def _get_range(declaration: Declaration):
 
 def load_data(project: LeanProject, prefixes: list[LeanName], conn: Connection):
     def load_module(data: Iterable[LeanName], base_dir: Path):
-        values = ((Jsonb(m), project.path_of_module(m, base_dir).read_bytes(), project.load_module_info(m).docstring) for m in data)
+        values = []
+        for m in data:
+            try:
+                content = project.path_of_module(m, base_dir).read_bytes()
+                docstring = project.load_module_info(m).docstring
+            except FileNotFoundError:
+                logger.warning("skipping module %s: jixia output not found", m)
+                continue
+            values.append((Jsonb(m), content, docstring))
         cursor.executemany(
             """
             INSERT INTO module (name, content, docstring) VALUES (%s, %s, %s) ON CONFLICT DO NOTHING