diff --git a/aider/coder.py b/aider/coder.py
index ffca86841..d79d04b41 100755
--- a/aider/coder.py
+++ b/aider/coder.py
@@ -349,8 +349,10 @@ class Coder:
 
             path = path.strip()
 
-            if path not in self.fnames:
-                if not Path(path).exists():
+            full_path = os.path.join(self.root, path)
+
+            if full_path not in self.fnames:
+                if not Path(full_path).exists():
                     question = f"[red]Allow creation of new file {path}?"
                 else:
                     question = (
@@ -362,8 +364,7 @@ class Coder:
 
                 self.fnames.add(path)
 
-            full_path = os.path.join(self.root, path)
-            edited.add(full_path)
+            edited.add(path)
             if utils.do_replace(full_path, original, updated):
                 self.console.print(f"[red]Applied edit to {path}")
             else: