diff --git a/lib/datadog/ci/contrib/minitest/runnable.rb b/lib/datadog/ci/contrib/minitest/runnable.rb
index e8e2ba6d..2cb96d40 100644
--- a/lib/datadog/ci/contrib/minitest/runnable.rb
+++ b/lib/datadog/ci/contrib/minitest/runnable.rb
@@ -20,12 +20,18 @@ def run(*args)
               test_suite_name = Helpers.test_suite_name(self, method)
               source_file, line_number = Helpers.extract_source_location_from_class(self)
 
-              test_suite = test_visibility_component.start_test_suite(
-                test_suite_name,
-                tags: {
+              test_suite_tags = if source_file
+                {
                   CI::Ext::Test::TAG_SOURCE_FILE => (Git::LocalRepository.relative_to_root(source_file) if source_file),
                   CI::Ext::Test::TAG_SOURCE_START => line_number&.to_s
                 }
+              else
+                {}
+              end
+
+              test_suite = test_visibility_component.start_test_suite(
+                test_suite_name,
+                tags: test_suite_tags
               )
 
               results = super