diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index 84fa2f9c9..a46996248 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -598,9 +598,10 @@ class Coder:
                 mime_type, _ = mimetypes.guess_type(fname)
                 if mime_type and mime_type.startswith("image/"):
                     image_url = f"data:{mime_type};base64,{content}"
-                    image_messages.append(
+                    image_messages += [
+                        {"type": "text", "text": fname},
                         {"type": "image_url", "image_url": {"url": image_url, "detail": "high"}}
-                    )
+                    ]
 
         if not image_messages:
             return None