diff --git a/src/autocoder/rag/cache/simple_cache.py b/src/autocoder/rag/cache/simple_cache.py
index b6af77a06..fea9c79b2 100644
--- a/src/autocoder/rag/cache/simple_cache.py
+++ b/src/autocoder/rag/cache/simple_cache.py
@@ -313,6 +313,9 @@ def get_all_files(self) -> List[Tuple[str, str, float]]:
                 ):
                     continue
 
+                if file.startswith("~$"):
+                    continue
+
                 file_path = os.path.join(root, file)
                 relative_path = os.path.relpath(file_path, self.path)
                 modify_time = os.path.getmtime(file_path)