diff --git a/src/runtime-three/runtime-scene-build.ts b/src/runtime-three/runtime-scene-build.ts
index 3eb8d8c6..90b4a95b 100644
--- a/src/runtime-three/runtime-scene-build.ts
+++ b/src/runtime-three/runtime-scene-build.ts
@@ -1079,6 +1079,7 @@ function buildRuntimeControlSurface(
         pathId: null,
         speed: null,
         loop: false,
+        smoothPath: true,
         progressMode: null,
         source: defaultSource
       })