diff --git a/coreml_suite/lcm/lcm_sampler.py b/coreml_suite/lcm/lcm_sampler.py
index 984e725..3f0796e 100644
--- a/coreml_suite/lcm/lcm_sampler.py
+++ b/coreml_suite/lcm/lcm_sampler.py
@@ -18,6 +18,7 @@ class CoreMLSamplerLCM(CoreMLSampler):
     @classmethod
     def INPUT_TYPES(s):
         old_required = CoreMLSampler.INPUT_TYPES()["required"].copy()
+        old_required["steps"][1]["default"] = 4
         old_required.pop("negative")
         old_required.pop("sampler_name")
         old_required.pop("scheduler")
diff --git a/coreml_suite/lcm/nodes.py b/coreml_suite/lcm/nodes.py
index 6172911..7e84339 100644
--- a/coreml_suite/lcm/nodes.py
+++ b/coreml_suite/lcm/nodes.py
@@ -15,7 +15,7 @@ class CoreMLConverterLCM:
             "required": {
                 "height": ("INT", {"default": 512, "min": 512, "max": 768, "step": 8}),
                 "width": ("INT", {"default": 512, "min": 512, "max": 768, "step": 8}),
-                "batch_size": ("INT", {"default": 4, "min": 1, "max": 64}),
+                "batch_size": ("INT", {"default": 1, "min": 1, "max": 64}),
                 "compute_unit": (
                     [
                         ComputeUnit.CPU_AND_NE.name,