diff --git a/more_math/StackUnBatcher.py b/more_math/StackUnBatcher.py
index 1312ad1..86d12e0 100644
--- a/more_math/StackUnBatcher.py
+++ b/more_math/StackUnBatcher.py
@@ -1,13 +1,21 @@
-class StackUnBatcher:
-      @classmethod
+from comfy_api.latest import io
+from .Stack import MrmthStack
+
+class StackUnBatcher(io.ComfyNode):
+    @classmethod
     def define_schema(cls) -> io.Schema:
         return io.Schema(
             node_id="mrmth_StackUnBatcher",
             category="More math",
             display_name="Stack UnBatcher",
+            is_input_list=True,
             inputs=[
-                io.Stack.Input(id="stack", tooltip="Input stack to unbatch"),
+                MrmthStack.Input(id="stack", tooltip="Input stack to unbatch"),
             ],
             outputs=[
-                io.Stack.Output(id="unbatched", tooltip="Unbatched stack output"),
-            ],´ú
\ No newline at end of file
+                MrmthStack.Output(id="unbatched", tooltip="Unbatched stack output"),
+            ])
+
+    @classmethod
+    def execute(cls, stack):
+        return (stack[-1],)
\ No newline at end of file
diff --git a/more_math/nodes.py b/more_math/nodes.py
index 6686912..90857b6 100644
--- a/more_math/nodes.py
+++ b/more_math/nodes.py
@@ -28,6 +28,7 @@ from .NoiseMathNode import NoiseMathNode
 from .AudioMathNode import AudioMathNode
 from .StringMathNode import StringMathNode
 from .SelectiveGuiderMathNode import SelectiveGuiderMathNode
+from .StackUnBatcher import StackUnBatcher
 
 from .ScriptTextWindow import ScriptTextInput
 
@@ -172,7 +173,8 @@ class MoreMathExtension(ComfyExtension):
             AudioMathNode,
             StringMathNode,
             ScriptTextInput,
-            SelectiveGuiderMathNode
+            SelectiveGuiderMathNode,
+            StackUnBatcher
         ]