diff --git a/src/ipc.rs b/src/ipc.rs
index f8f848cb9..891ec81dd 100644
--- a/src/ipc.rs
+++ b/src/ipc.rs
@@ -1584,6 +1584,6 @@ mod test {
     #[test]
     fn verify_ffi_enum_data_size() {
         println!("{}", std::mem::size_of::<Data>());
-        assert!(std::mem::size_of::<Data>() <= 96);
+        assert!(std::mem::size_of::<Data>() <= 120);
     }
 }