diff --git a/graph_node_renderer/add_node_menu.gd b/graph_node_renderer/add_node_menu.gd
index cd3e20f..3b8da83 100644
--- a/graph_node_renderer/add_node_menu.gd
+++ b/graph_node_renderer/add_node_menu.gd
@@ -86,6 +86,9 @@ func search(text: String) -> void:
 ## Callback for [member search_line_edit]'s input events. Handles highlighting items when navigating with up/down arrow keys.
 func _on_search_line_edit_gui_input(event: InputEvent) -> void:
 	if event.is_action_pressed("ui_down"):
+		if scroll_content_container.get_child_count() == 0:
+			return
+
 		search_line_edit.accept_event()
 		var category: Category
 		for i: String in categories:
@@ -107,6 +110,9 @@ func _on_search_line_edit_gui_input(event: InputEvent) -> void:
 		scroll_container.ensure_control_visible(category.get_child(item + 1))
 
 	if event.is_action_pressed("ui_up"):
+		if scroll_content_container.get_child_count() == 0:
+			return
+
 		search_line_edit.accept_event()
 		var category: Category
 		for i: String in categories:
@@ -160,6 +166,9 @@ func get_previous_visible_category(at: int) -> Category:
 
 ## Callback for [member search_line_edit]. Handles emitting [signal node_selected]
 func _on_search_line_edit_text_submitted(_new_text: String) -> void:
+	if scroll_content_container.get_child_count() == 0:
+		return
+
 	var category: Category
 	for i: String in categories:
 			var c: Category = categories[i]