diff --git a/tmt/steps/provision/mrack.py b/tmt/steps/provision/mrack.py
index 305154b24a..d5fd5af862 100644
--- a/tmt/steps/provision/mrack.py
+++ b/tmt/steps/provision/mrack.py
@@ -679,7 +679,7 @@ def create_host_requirement(self, host: CreateJobParameters) -> dict[str, Any]:
             req: dict[str, Any] = super().create_host_requirement(dataclasses.asdict(host))
 
             if host.hardware and host.hardware.constraint:
-                req['beaker'] = self._translate_tmt_hw(host.hardware)
+                req.update(self._translate_tmt_hw(host.hardware))
 
             if host.beaker_job_owner:
                 req['job_owner'] = host.beaker_job_owner