diff --git a/src/write.rs b/src/write.rs
index b1e62b3a..c5020058 100644
--- a/src/write.rs
+++ b/src/write.rs
@@ -159,8 +159,7 @@ impl arbitrary::Arbitrary for FileOptions {
         }
         let extra_data = Vec::<ExtraDataField>::arbitrary(&mut u)?;
         for field in extra_data {
-            let _ =
-                options.add_extra_data(field.header_id, field.data.as_slice(), field.central_only);
+            options.add_extra_data(field.header_id, field.data.as_slice(), field.central_only)?;
         }
         Ok(options)
     }