diff --git a/classes/deck/nodes/group/group_input_node.gd b/classes/deck/nodes/group/group_input_node.gd
index c92b0d8..61b3be3 100644
--- a/classes/deck/nodes/group/group_input_node.gd
+++ b/classes/deck/nodes/group/group_input_node.gd
@@ -95,6 +95,7 @@ func _post_deck_load() -> void:
 
 func _value_request(from_port: int) -> Variant:
 	if group_node:
-		return await group_node.request_value_async(group_node.get_input_ports()[from_port].index_of_type)
+		return await group_node.resolve_input_port_value_async(group_node.get_input_ports()[from_port].index_of_type)
+		#return await group_node.request_value_async(group_node.get_input_ports()[from_port].index_of_type)
 	else:
 		return null
diff --git a/graph_node_renderer/sidebar/sidebar.gd b/graph_node_renderer/sidebar/sidebar.gd
index 41abcbb..f067469 100644
--- a/graph_node_renderer/sidebar/sidebar.gd
+++ b/graph_node_renderer/sidebar/sidebar.gd
@@ -376,18 +376,21 @@ class GroupDescriptorsInspector:
 			
 			_menu.add_child(Inspector.new("Usage:", usage_combo))
 			
-			var descriptor_field := LineEdit.new()
-			descriptor_field.placeholder_text = "Descriptor (advanced)"
-			descriptor_field.tooltip_text = "Advanced use only.\nSeparate arguments with colon (:).\nPress Enter to confirm."
-			
-			descriptor_field.text = port_override.descriptor
-			
-			descriptor_field.text_submitted.connect(
-				func(new_text: String) -> void:
-					port_override.descriptor = new_text
-			)
-			
-			_menu.add_child(Inspector.new("Descriptor:", descriptor_field))
+			if input:
+				# descriptors are very rarely used on output ports. when they are,
+				# the nodes are fairly special, so we're not going to allow them on groups.
+				var descriptor_field := LineEdit.new()
+				descriptor_field.placeholder_text = "Descriptor (advanced)"
+				descriptor_field.tooltip_text = "Advanced use only.\nSeparate arguments with colon (:).\nPress Enter to confirm."
+				
+				descriptor_field.text = port_override.descriptor
+				
+				descriptor_field.text_submitted.connect(
+					func(new_text: String) -> void:
+						port_override.descriptor = new_text
+				)
+				
+				_menu.add_child(Inspector.new("Descriptor:", descriptor_field))
 			
 			io_menu.add_child(_menu)