diff --git a/tmt/steps/execute/__init__.py b/tmt/steps/execute/__init__.py
index c23351f4b2..63d91bad74 100644
--- a/tmt/steps/execute/__init__.py
+++ b/tmt/steps/execute/__init__.py
@@ -1193,5 +1193,5 @@ def results_for_tests(self, tests: list['tmt.base.Test']) \
             ] + [
             (None, test)
             for test in tests
-            if test.serial_number in referenced_serial_numbers
+            if test.serial_number not in referenced_serial_numbers
             ]