diff --git a/aider/coders/func_coder.py b/aider/coders/func_coder.py
index ff7ddd6e6..cbba13021 100644
--- a/aider/coders/func_coder.py
+++ b/aider/coders/func_coder.py
@@ -13,22 +13,30 @@ class FunctionCoder(Coder):
             description="create or update a file",
             parameters=dict(
                 type="object",
-                required=["explanation", "file_path", "file_content"],
                 properties=dict(
-                    explanation=dict(
-                        type="string",
-                        description=(
-                            "Explanation of the changes to be made to the code (markdown format)"
+                    items=dict(
+                        type="array",
+                        items=dict(
+                            type="object",
+                            required=["explanation", "file_path", "file_content"],
+                            properties=dict(
+                                explanation=dict(
+                                    type="string",
+                                    description=(
+                                        "Explanation of the changes to be made to the code (markdown format)"
+                                    ),
+                                ),
+                                file_path=dict(
+                                    type="string",
+                                    description="Path of file to write",
+                                ),
+                                file_content=dict(
+                                    type="string",
+                                    description="Content to write to the file",
+                                ),
+                            ),
                         ),
                     ),
-                    file_path=dict(
-                        type="string",
-                        description="Path of file to write",
-                    ),
-                    file_content=dict(
-                        type="string",
-                        description="Content to write to the file",
-                    ),
                 ),
             ),
         ),