diff --git a/crates/merge/src/frame.rs b/crates/merge/src/frame.rs
index 731f91a14..cb74e23ed 100644
--- a/crates/merge/src/frame.rs
+++ b/crates/merge/src/frame.rs
@@ -308,6 +308,7 @@ mod tests {
             wb_multipliers,
             linearized: false,
             opcodes: OpcodeLists::default(),
+            lens_metadata: Default::default(),
             metadata: Metadata::default(),
         }
     }