diff --git a/classes/deck/nodes/expression_node.gd b/classes/deck/nodes/expression_node.gd
index 5a67666..f85e77c 100644
--- a/classes/deck/nodes/expression_node.gd
+++ b/classes/deck/nodes/expression_node.gd
@@ -10,7 +10,19 @@ func _init():
 
 	props_to_serialize = []
 
-	add_output_port(DeckType.Types.ANY, "Expression Text", "codeblock")
+	# TODO: order of ports is changed
+	# due to https://github.com/godotengine/godot/issues/85558
+	# when it's fixed, switch it back
+	add_input_port(
+		DeckType.Types.DICTIONARY,
+		"Expression Input"
+	)
+
+	add_output_port(
+		DeckType.Types.STRING,
+		"Expression Text",
+		"codeblock"
+	)
 
 
 
@@ -18,14 +30,14 @@ func _value_request(_from_port : int) -> Variant:
 
 	var text = get_output_ports()[0].value_callback.call()
 
-	var err = expr.parse(text)
+	var err = expr.parse(text, ["deck_var", "input"])
 	if err != OK:
 
 		printerr(err)
 		return null
 
 
-	var res = expr.execute()
+	var res = expr.execute([_belonging_to.variable_stack, request_value(0)])
 	if expr.has_execute_failed():
 
 		printerr("Expression Execution Failed: ", text)