diff --git a/src/icon/icon_info.rs b/src/icon/icon_info.rs
index 17c4192..071c886 100644
--- a/src/icon/icon_info.rs
+++ b/src/icon/icon_info.rs
@@ -125,7 +125,13 @@ impl IconInfo {
           };
         }
 
-        let res = CLIENT.get(url).headers(headers).send().await?;
+        let res = CLIENT
+          .get(url)
+          .headers(headers)
+          .send()
+          .await?
+          .error_for_status()?;
+
         if !res.status().is_success() {
           return Err("failed to fetch".into());
         };
diff --git a/src/manifest.rs b/src/manifest.rs
index 58b4c61..ba773f0 100644
--- a/src/manifest.rs
+++ b/src/manifest.rs
@@ -34,6 +34,8 @@ async fn load_manifest_cached(url: Url) -> Result<Vec<Icon>, String> {
     .send()
     .await
     .map_err(|e| format!("{}: {:?}", url, e))?
+    .error_for_status()
+    .map_err(|e| format!("{}: {:?}", url, e))?
     .json()
     .await
     .map_err(|e| format!("{}: {:?}", url, e))?;