diff --git a/plugins/commands/serve/mappers/internal/graph/mappers.rb b/plugins/commands/serve/mappers/internal/graph/mappers.rb
index 472f2e516..1eacd568a 100644
--- a/plugins/commands/serve/mappers/internal/graph/mappers.rb
+++ b/plugins/commands/serve/mappers/internal/graph/mappers.rb
@@ -147,7 +147,7 @@ module VagrantPlugins
               end
               # Create an output vertex for our expected
               # result type
-              @dst = graph.add_vertex(Graph::Vertex::Output.new(type: final))
+              @dst = graph.add_vertex(Graph::Vertex::Final.new(type: final))
               @dst.weight = FINAL_WEIGHT
 
               # Add an edge from all our value vertices to