diff --git a/src/simulator/api-gdext/src/lib.rs b/src/simulator/api-gdext/src/lib.rs
index 931659c0..f693240b 100644
--- a/src/simulator/api-gdext/src/lib.rs
+++ b/src/simulator/api-gdext/src/lib.rs
@@ -1295,6 +1295,7 @@ impl GdCity {
                 gold: d.gold,
                 culture: d.culture,
                 science: d.science,
+                collectibles: vec![],
             })
             .collect()
     }