diff --git a/backend/open_webui/routers/images.py b/backend/open_webui/routers/images.py
index d3bc3f8eee..48209fc05c 100644
--- a/backend/open_webui/routers/images.py
+++ b/backend/open_webui/routers/images.py
@@ -641,7 +641,10 @@ async def image_generations(
 
             for image in res["data"]:
                 if image_url := image.get("url", None):
-                    image_data, content_type = get_image_data(image_url, headers)
+                    image_data, content_type = get_image_data(
+                        image_url,
+                        {k: v for k, v in headers.items() if k != "Content-Type"},
+                    )
                 else:
                     image_data, content_type = get_image_data(image["b64_json"])
 
@@ -993,7 +996,10 @@ async def image_edits(
             images = []
             for image in res["data"]:
                 if image_url := image.get("url", None):
-                    image_data, content_type = get_image_data(image_url, headers)
+                    image_data, content_type = get_image_data(
+                        image_url,
+                        {k: v for k, v in headers.items() if k != "Content-Type"},
+                    )
                 else:
                     image_data, content_type = get_image_data(image["b64_json"])