diff --git a/aider/commands.py b/aider/commands.py
index 6e8beed7f..3e7b5bbb1 100644
--- a/aider/commands.py
+++ b/aider/commands.py
@@ -1037,33 +1037,25 @@ class Commands:
 
         filenames = parse_quoted_filenames(args)
         for word in filenames:
-            # If no files matched, try to use the word as a direct file path
-            if os.path.exists(word) and os.path.isfile(word):
-                matched_files = [word]
-            else:
-                self.io.tool_error(f"No files matched '{word}'.")
+            abs_path = self.coder.abs_root_path(word)
+            if not os.path.exists(abs_path):
+                self.io.tool_error(f"File not found: {abs_path}")
                 continue
 
-            for matched_file in matched_files:
-                abs_path = self.coder.abs_root_path(matched_file)
-                if not os.path.exists(abs_path):
-                    self.io.tool_error(f"File not found: {abs_path}")
-                    continue
+            if not os.path.isfile(abs_path):
+                self.io.tool_error(f"Not a file: {abs_path}")
+                continue
 
-                if not os.path.isfile(abs_path):
-                    self.io.tool_error(f"Not a file: {abs_path}")
-                    continue
+            if abs_path in self.coder.abs_fnames:
+                self.io.tool_error(f"{word} is already in the chat as an editable file")
+                continue
 
-                if abs_path in self.coder.abs_fnames:
-                    self.io.tool_error(f"{matched_file} is already in the chat as an editable file")
-                    continue
+            if abs_path in self.coder.abs_read_only_fnames:
+                self.io.tool_error(f"{word} is already in the chat as a read-only file")
+                continue
 
-                if abs_path in self.coder.abs_read_only_fnames:
-                    self.io.tool_error(f"{matched_file} is already in the chat as a read-only file")
-                    continue
-
-                self.coder.abs_read_only_fnames.add(abs_path)
-                self.io.tool_output(f"Added {matched_file} to read-only files.")
+            self.coder.abs_read_only_fnames.add(abs_path)
+            self.io.tool_output(f"Added {word} to read-only files.")
 
     def cmd_map(self, args):
         "Print out the current repository map"