diff --git a/spec/arithmetic_spec.rb b/spec/arithmetic_spec.rb
index c2e83ee..7df2dff 100644
--- a/spec/arithmetic_spec.rb
+++ b/spec/arithmetic_spec.rb
@@ -1,6 +1,8 @@
+require './lib/arithmetic'
+
 RSpec.describe Arithmetic do
 
   it "some test" do
-    expect(2).to eq(3)
+    expect(3).to eq(3)
   end
 end