diff --git a/llama_stack/providers/utils/inference/prompt_adapter.py b/llama_stack/providers/utils/inference/prompt_adapter.py
index f7d2cd84e..ed0cabe1c 100644
--- a/llama_stack/providers/utils/inference/prompt_adapter.py
+++ b/llama_stack/providers/utils/inference/prompt_adapter.py
@@ -40,7 +40,6 @@ from llama_stack.apis.common.content_types import (
     InterleavedContent,
     InterleavedContentItem,
     TextContentItem,
-    URL,
 )
 
 from llama_stack.apis.inference import (
@@ -117,27 +116,31 @@ async def interleaved_content_convert_to_raw(
         elif isinstance(c, TextContentItem):
             return RawTextItem(text=c.text)
         elif isinstance(c, ImageContentItem):
-            # load image and return PIL version
-            img = c.data
-            if isinstance(img, URL):
-                if img.uri.startswith("data"):
-                    match = re.match(r"data:image/(\w+);base64,(.+)", img.uri)
+            if c.url:
+                # Load image bytes from URL
+                if c.url.uri.startswith("data"):
+                    match = re.match(r"data:image/(\w+);base64,(.+)", c.url.uri)
                     if not match:
-                        raise ValueError("Invalid data URL format")
+                        raise ValueError(
+                            f"Invalid data URL format, {c.url.uri[:40]}..."
+                        )
                     _, image_data = match.groups()
                     data = base64.b64decode(image_data)
-                elif img.uri.startswith("file://"):
-                    path = img.uri[len("file://") :]
+                elif c.url.uri.startswith("file://"):
+                    path = c.url.uri[len("file://") :]
                     with open(path, "rb") as f:
                         data = f.read()  # type: ignore
-                elif img.uri.startswith("http"):
+                elif c.url.uri.startswith("http"):
                     async with httpx.AsyncClient() as client:
-                        response = await client.get(img.uri)
+                        response = await client.get(c.url.uri)
                         data = response.content
                 else:
                     raise ValueError("Unsupported URL type")
-            else:
+            elif c.data:
                 data = c.data
+            else:
+                raise ValueError("No data or URL provided")
+
             return RawMediaItem(data=data)
         else:
             raise ValueError(f"Unsupported content type: {type(c)}")