diff --git a/src/app/browser/window/tab/item/page/client/request/gemini.rs b/src/app/browser/window/tab/item/page/client/request/gemini.rs
index 0ff1bf21..2df0cdd7 100644
--- a/src/app/browser/window/tab/item/page/client/request/gemini.rs
+++ b/src/app/browser/window/tab/item/page/client/request/gemini.rs
@@ -94,7 +94,11 @@ fn handle(
                                 _ => false,
                             },
                         }),
-                        Err(_) => todo!(),
+                        Err(e) => callback(Response::Failure(Failure::Mime {
+                            base,
+                            mime: mime.to_string(),
+                            message: e.to_string(),
+                        })),
                     },
                 ),
                 "image/png" | "image/gif" | "image/jpeg" | "image/webp" => {