diff --git a/lib/brakeman/report/report_codeclimate.rb b/lib/brakeman/report/report_codeclimate.rb
index 6c1d6f9278..2cfb0fcd38 100644
--- a/lib/brakeman/report/report_codeclimate.rb
+++ b/lib/brakeman/report/report_codeclimate.rb
@@ -73,7 +73,7 @@ def file_path(warning)
     if tracker.options[:path_prefix]
       (Pathname.new(tracker.options[:path_prefix]) + Pathname.new(warning.file.relative)).to_s
     else
-      warning.file
+      warning.relative_path
     end
   end
 end
diff --git a/test/tests/report_generation.rb b/test/tests/report_generation.rb
index 402701d24c..3aff3dfb6e 100644
--- a/test/tests/report_generation.rb
+++ b/test/tests/report_generation.rb
@@ -37,6 +37,7 @@ def test_codeclimate_sanity
     report = @@report.to_codeclimate
 
     assert report.is_a? String
+    refute report.include? Dir.pwd # Ensure output does not include absolute paths
   end
 
   def test_csv_sanity