diff --git a/custom_nodes/utility_nodes.py b/custom_nodes/utility_nodes.py
index 426f3e7..3399de0 100644
--- a/custom_nodes/utility_nodes.py
+++ b/custom_nodes/utility_nodes.py
@@ -259,8 +259,8 @@ class SimpleMathNode:
     def INPUT_TYPES(s):
         return {
             "optional": {
-                "n1": (MultipleTypeProxy("INT,FLOAT"), { "default": None, "step": 0.1 }),
-                "n2": (MultipleTypeProxy("INT,FLOAT"), { "default": None, "step": 0.1 }),
+                "n1": (MultipleTypeProxy("*"), { "default": None, "step": 0.1 }),
+                "n2": (MultipleTypeProxy("*"), { "default": None, "step": 0.1 }),
                 "round_up": ("BOOLEAN", {"default": False})
             },
             "required": {
diff --git a/custom_nodes/utils.py b/custom_nodes/utils.py
index e660761..8722796 100644
--- a/custom_nodes/utils.py
+++ b/custom_nodes/utils.py
@@ -35,7 +35,7 @@ class MultipleTypeProxy(str):
             if o in self: return True
         for s in self.split(","):
             if s in other: return True
-        return False
+        return str(self)=="*"
 
     def __ne__(self, other):
         return not self.__eq__(other)