diff --git a/comfy/cmd/execution.py b/comfy/cmd/execution.py
index 9ea2c6b8d..0930ebc21 100644
--- a/comfy/cmd/execution.py
+++ b/comfy/cmd/execution.py
@@ -754,6 +754,8 @@ def validate_inputs(prompt, item, validated: typing.Dict[str, ValidateInputsTupl
                     if "\\" in val:
                         # try to normalize paths for comparison purposes
                         val = canonicalize_path(val)
+                    if all(isinstance(item, (str, PathLike)) for item in type_input):
+                        type_input = [canonicalize_path(item) for item in type_input]
                     if val not in type_input:
                         input_config = info
                         list_info = ""
diff --git a/comfy/component_model/files.py b/comfy/component_model/files.py
index c35a88af1..fe4f9c010 100644
--- a/comfy/component_model/files.py
+++ b/comfy/component_model/files.py
@@ -58,4 +58,4 @@ def get_package_as_path(package: str, subdir: Optional[str] = None) -> str:
 def canonicalize_path(path: os.PathLike | str | None) -> str | None:
     if path is None:
         return None
-    return PurePath(path).as_posix()
+    return PurePath(str(path).replace("\\", "/")).as_posix()