diff --git a/spec/lightstep_spec.rb b/spec/lightstep_spec.rb
index ac29b8c..6535cf6 100644
--- a/spec/lightstep_spec.rb
+++ b/spec/lightstep_spec.rb
@@ -1,4 +1,4 @@
-require_relative '../lib/lightstep.rb'
+require_relative '../lib/lightstep-tracer.rb'
 
 describe LightStep do
     it "should return a new tracer from init_new_tracer" do