diff --git a/lib/molinillo/dependency_graph/vertex.rb b/lib/molinillo/dependency_graph/vertex.rb
index d396eab..c9affa3 100644
--- a/lib/molinillo/dependency_graph/vertex.rb
+++ b/lib/molinillo/dependency_graph/vertex.rb
@@ -98,7 +98,7 @@ def _recursive_successors(vertices = Set.new)
 
       # @return [String] a string suitable for debugging
       def inspect
-        "#{self.class}:#{name}(#{payload.inspect})"
+        "#{self.class}:#{name}(#{payload})"
       end
 
       # @return [Boolean] whether the two vertices are equal, determined