diff --git a/spec/build/testsuites/benchmarks/dhrystone.yml b/spec/build/testsuites/benchmarks/dhrystone.yml
index b640636d88..039584ee0f 100644
--- a/spec/build/testsuites/benchmarks/dhrystone.yml
+++ b/spec/build/testsuites/benchmarks/dhrystone.yml
@@ -1,6 +1,7 @@
 SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
 build-type: test-program
-cflags: []
+cflags:
+- -fno-inline
 copyrights:
 - Copyright (C) 2020 embedded brains GmbH & Co. KG
 cppflags: []