diff --git a/apps/isaaclab.python.headless.rendering.kit b/apps/isaaclab.python.headless.rendering.kit
index 09fc3ba98efe..ed20ad42c321 100644
--- a/apps/isaaclab.python.headless.rendering.kit
+++ b/apps/isaaclab.python.headless.rendering.kit
@@ -83,6 +83,9 @@ app.updateOrder.checkForHydraRenderComplete = 1000
 app.renderer.waitIdle=true
 app.hydraEngine.waitIdle=true
 
+# Forces serial processing for omni graph to avoid NCCL timeout hangs in distributed training
+app.execution.debug.forceSerial = true
+
 app.audio.enabled = false
 
 # Enable Vulkan - avoids torch+cu12 error on windows