diff --git a/py/math_expression.py b/py/math_expression.py
index 1053902..abd4921 100644
--- a/py/math_expression.py
+++ b/py/math_expression.py
@@ -41,7 +41,7 @@ class MathExpression:
     def INPUT_TYPES(cls):
         return {
             "required": {
-                "expression": ("STRING", {"multiline": True, "dynamicPrompts": False}),
+                "expression": ("STRING", {"multiline": True, "dynamicPrompts": False, "pysssss.autocomplete": False}),
             },
             "optional": {
                 "a": ("INT,FLOAT,IMAGE,LATENT", ),
diff --git a/web/js/autocompleter.js b/web/js/autocompleter.js
index 5f017ef..6ef9772 100644
--- a/web/js/autocompleter.js
+++ b/web/js/autocompleter.js
@@ -186,7 +186,7 @@ app.registerExtension({
 		ComfyWidgets.STRING = function (node, inputName, inputData) {
 			const r = STRING.apply(this, arguments);
 
-			if (inputData[1]?.multiline) {
+			if (inputData[1]?.multiline && inputData[1]?.["pysssss.autocomplete"] !== false) {
 				new TextAreaAutoComplete(r.widget.inputEl);
 			}