diff --git a/lib/coverage_report.rb b/lib/coverage_report.rb
index d4b7594..06ccb6f 100644
--- a/lib/coverage_report.rb
+++ b/lib/coverage_report.rb
@@ -35,7 +35,8 @@ class CoverageReport
     end
 
     def execute_lcov_parse(report_path)
-      JSON.parse(`node bin/lcov-parse.js #{report_path}`)
+      bin_path = "#{File.dirname(__FILE__)}/../bin"
+      JSON.parse(`node #{bin_path}/lcov-parse.js #{report_path}`)
     end
 
     def read_json(path)