diff --git a/fuzz/fuzz_targets/deserialize_script.rs b/fuzz/fuzz_targets/deserialize_script.rs
index fcf23d6d..0d10d1a2 100644
--- a/fuzz/fuzz_targets/deserialize_script.rs
+++ b/fuzz/fuzz_targets/deserialize_script.rs
@@ -31,6 +31,7 @@ fn do_test(data: &[u8]) {
             }
         }
         assert_eq!(b.into_script(), script);
+        assert_eq!(data, &serialize::serialize(&script).unwrap()[..]);
     }
 }