diff --git a/src/runtime-three/third-person-navigation-controller.ts b/src/runtime-three/third-person-navigation-controller.ts
index 80846258..625fce36 100644
--- a/src/runtime-three/third-person-navigation-controller.ts
+++ b/src/runtime-three/third-person-navigation-controller.ts
@@ -225,6 +225,7 @@ export class ThirdPersonNavigationController implements NavigationController {
   private jumpHoldRemainingMs = 0;
   private climbSurface: RuntimePlayerClimbSurface | null = null;
   private climbLatchBlocked = false;
+  private ledgeGrabTarget: RuntimePlayerLedgeGrabTarget | null = null;
 
   activate(ctx: RuntimeControllerContext): void {
     this.context = ctx;