diff --git a/comfy_extras/v3/nodes_images.py b/comfy_extras/v3/nodes_images.py
index 35666a444..839622d40 100644
--- a/comfy_extras/v3/nodes_images.py
+++ b/comfy_extras/v3/nodes_images.py
@@ -165,7 +165,7 @@ class LoadImage(io.ComfyNodeV3):
         return io.NodeOutput(output_image, output_mask)
 
     @classmethod
-    def IS_CHANGED(s, image):
+    def fingerprint_inputs(s, image):
         image_path = folder_paths.get_annotated_filepath(image)
         m = hashlib.sha256()
         with open(image_path, 'rb') as f:
@@ -173,7 +173,7 @@ class LoadImage(io.ComfyNodeV3):
         return m.digest().hex()
 
     @classmethod
-    def VALIDATE_INPUTS(s, image):
+    def validate_inputs(s, image):
         if not folder_paths.exists_annotated_filepath(image):
             return "Invalid image file: {}".format(image)
         return True
@@ -260,7 +260,7 @@ class LoadImageOutput(io.ComfyNodeV3):
         return io.NodeOutput(output_image, output_mask)
 
     @classmethod
-    def IS_CHANGED(s, image):
+    def fingerprint_inputs(s, image):
         image_path = folder_paths.get_annotated_filepath(image)
         m = hashlib.sha256()
         with open(image_path, 'rb') as f:
@@ -268,7 +268,7 @@ class LoadImageOutput(io.ComfyNodeV3):
         return m.digest().hex()
 
     @classmethod
-    def VALIDATE_INPUTS(s, image):
+    def validate_inputs(s, image):
         if not folder_paths.exists_annotated_filepath(image):
             return "Invalid image file: {}".format(image)
         return True
diff --git a/comfy_extras/v3/nodes_webcam.py b/comfy_extras/v3/nodes_webcam.py
index 6c0a96e15..9c25aa633 100644
--- a/comfy_extras/v3/nodes_webcam.py
+++ b/comfy_extras/v3/nodes_webcam.py
@@ -100,16 +100,15 @@ class WebcamCapture(io.ComfyNodeV3):
         return io.NodeOutput(output_image, output_mask)
 
     @classmethod
-    def IS_CHANGED(s, image, width, height, capture_on_queue):
+    def fingerprint_inputs(s, image, width, height, capture_on_queue):
         image_path = folder_paths.get_annotated_filepath(image)
         m = hashlib.sha256()
         with open(image_path, 'rb') as f:
             m.update(f.read())
         return m.digest().hex()
 
-
     @classmethod
-    def VALIDATE_INPUTS(s, image):
+    def validate_inputs(s, image):
         if not folder_paths.exists_annotated_filepath(image):
             return "Invalid image file: {}".format(image)
         return True