diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index 22694cf1e..76d3fa4f3 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -1223,13 +1223,19 @@ class Coder:
         files = [self.get_rel_fname(fname) for fname in self.abs_fnames]
         return sorted(set(files))
 
+    def is_file_safe(self, fname):
+        try:
+            return Path(self.abs_root_path(fname)).is_file()
+        except OSError:
+            return
+
     def get_all_relative_files(self):
         if self.repo:
             files = self.repo.get_tracked_files()
         else:
             files = self.get_inchat_relative_files()
 
-        files = [fname for fname in files if Path(self.abs_root_path(fname)).is_file()]
+        files = [fname for fname in files if self.is_file_safe(fname)]
         return sorted(set(files))
 
     def get_all_abs_files(self):