diff --git a/components/net/http_loader.rs b/components/net/http_loader.rs
index 90f0708c234..570144e43de 100644
--- a/components/net/http_loader.rs
+++ b/components/net/http_loader.rs
@@ -53,7 +53,7 @@ use unicase::UniCase;
 use uuid;
 
 fn read_block<R: Read>(reader: &mut R) -> Result<Data, ()> {
-    let mut buf = vec![0; 1024];
+    let mut buf = vec![0; 32768];
 
     match reader.read(&mut buf) {
         Ok(len) if len > 0 => {