--- a/bindings/jsonnet/src/val_modify.rs
+++ b/bindings/jsonnet/src/val_modify.rs
@@ -25,7 +25,7 @@
 			}
 
 			new.push(Thunk::evaluated(val.clone()));
-			*arr = Val::Arr(ArrValue::lazy(Cc::new(new)));
+			*arr = Val::Arr(ArrValue::lazy(new));
 		}
 		_ => panic!("should receive array"),
 	}
--- a/crates/jrsonnet-parser/src/lib.rs
+++ b/crates/jrsonnet-parser/src/lib.rs
@@ -635,9 +635,13 @@
 							el!(
 								Index {
 									indexable: el!(Var("std".into()), 1, 4),
-									index: el!(Str("deepJoin".into()), 5, 13),
-									#[cfg(feature = "exp-null-coaelse")]
-									null_coaelse: false,
+									parts: vec![
+										IndexPart {
+											value: el!(Str("deepJoin".into()), 5, 13),
+											#[cfg(feature = "exp-null-coaelse")]
+											null_coaelse: false,
+										},
+									],
 								},
 								1,
 								13