diff --git a/crates/script/src/prelude.js b/crates/script/src/prelude.js
index 423e1b89..358017e7 100644
--- a/crates/script/src/prelude.js
+++ b/crates/script/src/prelude.js
@@ -865,8 +865,8 @@ Property.prototype.property = function () { return null; };
   P.setTemporalAutoBezierAtKey = function (i, b) { this.__select(i); __call("keys.interpolation", { comp: this.__layer.__comp, autoBezier: !!b }); };
   P.keyRoving = function (i) { return !!this.__key(i).roving; };
   P.setRovingAtKey = function (i, b) { this.__select(i); __call("keys.interpolation", { comp: this.__layer.__comp, roving: !!b }); };
-  P.keySpatialInTangent = function (i) { return this.__key(i).spatialIn.slice(0, this.__info().dims); };
-  P.keySpatialOutTangent = function (i) { return this.__key(i).spatialOut.slice(0, this.__info().dims); };
+  P.keyInSpatialTangent = function (i) { return this.__key(i).spatialIn.slice(0, this.__info().dims); };
+  P.keyOutSpatialTangent = function (i) { return this.__key(i).spatialOut.slice(0, this.__info().dims); };
   P.keySpatialContinuous = function (i) { return !!this.__key(i).spatialContinuous; };
   P.keySpatialAutoBezier = function (i) { return !!this.__key(i).spatialAutoBezier; };
   P.setSpatialTangentsAtKey = function (i, inT, outT) {
diff --git a/crates/script/src/tests.rs b/crates/script/src/tests.rs
index d71d20cb..8fd6362d 100644
--- a/crates/script/src/tests.rs
+++ b/crates/script/src/tests.rs
@@ -241,6 +241,22 @@ fn keyframes_eases_and_interpolation() {
     assert_eq!(v[9], json!(2));
 }
 
+#[test]
+fn spatial_tangents_round_trip() {
+    let mut s = session();
+    let o = ok(
+        &mut s,
+        r#"
+        var c = app.project.items.addComp("T", 100, 100, 1, 2, 25);
+        var p = c.layers.addNull().transform.position;
+        p.setValuesAtTimes([0, 1], [[0, 0], [100, 0]]);
+        p.setSpatialTangentsAtKey(1, [0, 0], [30, 40]);
+        [p.keyOutSpatialTangent(1)[0], p.keyOutSpatialTangent(1)[1], p.keyInSpatialTangent(1)[0]]
+        "#,
+    );
+    assert_eq!(o.result, json!([30, 40, 0]));
+}
+
 #[test]
 fn text_documents() {
     let mut s = session();