diff --git a/engine/joint/v4k.h b/engine/joint/v4k.h
index d08feca..36d1cb0 100644
--- a/engine/joint/v4k.h
+++ b/engine/joint/v4k.h
@@ -359459,7 +359459,7 @@ static cook_worker jobs[JOBS_MAX] = {0};
 static volatile bool cook_cancelable = false, cook_cancelling = false, cook_debug = false;
 
 #ifndef COOK_ON_DEMAND
-#define COOK_ON_DEMAND ifdef(cook, optioni("--cook-on-demand", 1), false)
+#define COOK_ON_DEMAND ifdef(cook, optioni("--cook-on-demand", 0), false)
 #endif
 
 static
diff --git a/engine/split/v4k_cook.c b/engine/split/v4k_cook.c
index 38eb9b4..8d59bb4 100644
--- a/engine/split/v4k_cook.c
+++ b/engine/split/v4k_cook.c
@@ -459,7 +459,7 @@ static cook_worker jobs[JOBS_MAX] = {0};
 static volatile bool cook_cancelable = false, cook_cancelling = false, cook_debug = false;
 
 #ifndef COOK_ON_DEMAND
-#define COOK_ON_DEMAND ifdef(cook, optioni("--cook-on-demand", 1), false)
+#define COOK_ON_DEMAND ifdef(cook, optioni("--cook-on-demand", 0), false)
 #endif
 
 static
diff --git a/engine/v4k.c b/engine/v4k.c
index d0f263f..77e622d 100644
--- a/engine/v4k.c
+++ b/engine/v4k.c
@@ -6606,7 +6606,7 @@ static cook_worker jobs[JOBS_MAX] = {0};
 static volatile bool cook_cancelable = false, cook_cancelling = false, cook_debug = false;
 
 #ifndef COOK_ON_DEMAND
-#define COOK_ON_DEMAND ifdef(cook, optioni("--cook-on-demand", 1), false)
+#define COOK_ON_DEMAND ifdef(cook, optioni("--cook-on-demand", 0), false)
 #endif
 
 static