diff --git a/Library/Homebrew/test/search_spec.rb b/Library/Homebrew/test/search_spec.rb
index caaf34b652ffd1..f34763ff16e5d5 100644
--- a/Library/Homebrew/test/search_spec.rb
+++ b/Library/Homebrew/test/search_spec.rb
@@ -2,6 +2,7 @@
 
 require "search"
 require "descriptions"
+require "cmd/desc"
 
 RSpec.describe Homebrew::Search do
   describe "#query_regexp" do
@@ -60,7 +61,7 @@
   end
 
   describe "#search_descriptions" do
-    let(:args) { instance_double("args") }
+    let(:args) { Homebrew::Cmd::Desc.new(["min_arg_placeholder"]).args }
 
     context "with api" do
       let(:api_formulae) do
@@ -72,7 +73,6 @@
       end
 
       before do
-        allow(args).to receive_messages(formula?: false, cask?: false, eval_all?: false)
         allow(Homebrew::API::Formula).to receive(:all_formulae).and_return(api_formulae)
         allow(Homebrew::API::Cask).to receive(:all_casks).and_return(api_casks)
       end