diff --git a/examples/gods_of_the_arena/lockstep.nim b/examples/gods_of_the_arena/lockstep.nim
index 352959c0..5ac39906 100644
--- a/examples/gods_of_the_arena/lockstep.nim
+++ b/examples/gods_of_the_arena/lockstep.nim
@@ -110,7 +110,7 @@ proc installPolicy(batch: StepBatch, lane: ptr StepLane, index: int) =
   let program = compile(source, host, limits)
   bindHeroData(program)
   game.heroVms[index] = HeroVm(
-    runtime: initRuntime(program, host, limits), limits: limits, ready: true
+    runtime: initRuntime(program, host, limits), limits: limits, ready: true, legacyHeroData: program.usesHeroData()
   )
 
 proc startLane(batch: StepBatch, lane: ptr StepLane, seed: int) =
diff --git a/examples/gods_of_the_arena/training.nim b/examples/gods_of_the_arena/training.nim
index 0a9a6f74..7997282c 100644
--- a/examples/gods_of_the_arena/training.nim
+++ b/examples/gods_of_the_arena/training.nim
@@ -197,7 +197,7 @@ proc runLane(args: LaneWorkerArgs) {.thread.} =
       let program = compile(source, host, limits)
       bindHeroData(program)
       game.heroVms[index] = HeroVm(
-        runtime: initRuntime(program, host, limits), limits: limits, ready: true
+        runtime: initRuntime(program, host, limits), limits: limits, ready: true, legacyHeroData: program.usesHeroData()
       )
 
     for index, hero in game.world.heroes: