diff --git a/film_live_grade.py b/film_live_grade.py
index 24ffbf1..bc027f7 100644
--- a/film_live_grade.py
+++ b/film_live_grade.py
@@ -259,8 +259,8 @@ class HackAfterDarkLiveGrade:
                     "max": 1.0,
                     "step": 0.05,
                 }),
-                "enable_preview": ("BOOLEAN", {"default": True}),
                 "clip_output": ("BOOLEAN", {"default": True}),
+                "output_original": ("BOOLEAN", {"default": True}),
             }
         }
 
@@ -312,10 +312,12 @@ class HackAfterDarkLiveGrade:
         balance=0.0,
         micro_contrast=0.0,
         clarity=0.0,
-        enable_preview=True,
         clip_output=True,
+        output_original=True,
         **kwargs
     ):
+        if "enable_preview" in kwargs:
+            output_original = kwargs["enable_preview"]
         if "strength" in kwargs:
             lut_strength = kwargs["strength"]
 
@@ -426,7 +428,7 @@ class HackAfterDarkLiveGrade:
 
         # 6. Preview Image Generation for Frontend UI
         ui_results = {}
-        if enable_preview:
+        if output_original:
             try:
                 temp_dir = folder_paths.get_temp_directory() if hasattr(folder_paths, "get_temp_directory") else os.path.join(os.path.expanduser("~"), "ComfyUI", "temp")
                 os.makedirs(temp_dir, exist_ok=True)
diff --git a/test_film_live_grade.py b/test_film_live_grade.py
index 0548ff4..10d1eab 100644
--- a/test_film_live_grade.py
+++ b/test_film_live_grade.py
@@ -63,7 +63,7 @@ class TestFilmLiveGrade(unittest.TestCase):
             image=img,
             lut_file="None",
             exposure=1.0,
-            enable_preview=False,
+            output_original=False,
             clip_output=True
         )
         out_img = res["result"][0]
@@ -76,7 +76,7 @@ class TestFilmLiveGrade(unittest.TestCase):
             image=img,
             lut_file="None",
             contrast=1.5,
-            enable_preview=False,
+            output_original=False,
             clip_output=True
         )
         out_img = res["result"][0]
@@ -89,7 +89,7 @@ class TestFilmLiveGrade(unittest.TestCase):
             image=img,
             lut_file="None",
             black_lift=0.1,
-            enable_preview=False,
+            output_original=False,
             clip_output=True
         )
         out_img = res["result"][0]
@@ -103,7 +103,7 @@ class TestFilmLiveGrade(unittest.TestCase):
             image=img,
             lut_file="None",
             hue=120.0,
-            enable_preview=False,
+            output_original=False,
             clip_output=True
         )
         out_img = res["result"][0]
@@ -118,7 +118,7 @@ class TestFilmLiveGrade(unittest.TestCase):
             image=img,
             lut_file="None",
             tint_green_magenta=0.4,
-            enable_preview=False,
+            output_original=False,
             clip_output=True
         )
         out_img = res["result"][0]
@@ -134,13 +134,23 @@ class TestFilmLiveGrade(unittest.TestCase):
         res = self.node.apply_live_grade(
             image=img,
             lut_file="None",
-            enable_preview=True
+            output_original=True
         )
         self.assertIn("ui", res)
         self.assertIn("livegrade_images", res["ui"])
         self.assertEqual(len(res["ui"]["livegrade_images"]), 1)
         self.assertEqual(res["ui"]["livegrade_images"][0]["type"], "temp")
 
+    def test_legacy_enable_preview_kwarg(self):
+        img = torch.rand((1, 32, 32, 3), dtype=torch.float32)
+        res = self.node.apply_live_grade(
+            image=img,
+            lut_file="None",
+            enable_preview=True
+        )
+        self.assertIn("ui", res)
+        self.assertIn("livegrade_images", res["ui"])
+
     def test_split_toning(self):
         # Test applying shadow tint (Teal / Cyan) to dark pixels
         img = torch.full((1, 8, 8, 3), 0.1, dtype=torch.float32)
@@ -149,7 +159,7 @@ class TestFilmLiveGrade(unittest.TestCase):
             lut_file="None",
             shadow_tint="Teal / Cyan",
             shadow_intensity=0.5,
-            enable_preview=False
+            output_original=False
         )
         out_img = res["result"][0]
         self.assertLess(out_img[0, 0, 0, 0].item(), 0.1) # Red reduced
@@ -164,7 +174,7 @@ class TestFilmLiveGrade(unittest.TestCase):
             image=img,
             lut_file="None",
             micro_contrast=0.5,
-            enable_preview=False
+            output_original=False
         )
         out_img = res["result"][0]
         self.assertEqual(out_img.shape, img.shape)
@@ -190,7 +200,7 @@ class TestFilmLiveGrade(unittest.TestCase):
                 image=img,
                 lut_file=tmp_path,
                 strength=1.0,
-                enable_preview=False
+                output_original=False
             )
             out_img = res["result"][0]
             self.assertEqual(out_img.shape, img.shape)
diff --git a/web/live_grade.js b/web/live_grade.js
index 5081639..33c2a07 100644
--- a/web/live_grade.js
+++ b/web/live_grade.js
@@ -429,7 +429,7 @@ app.registerExtension({
                 balance: 0.0,
                 micro_contrast: 0.0,
                 clarity: 0.0,
-                enable_preview: true,
+                output_original: true,
                 clip_output: true
             };
             (node.widgets || []).forEach(w => {