diff --git a/src/blob.rs b/src/blob.rs
index ee9a4bbe9..6e8aae5f0 100644
--- a/src/blob.rs
+++ b/src/blob.rs
@@ -487,7 +487,7 @@ impl<'a> BlobObject<'a> {
                             ));
                         }
 
-                        target_wh = target_wh * 2 / 3;
+                        target_wh = target_wh * 7 / 8;
                     } else {
                         info!(
                             context,