diff --git a/tests/run_tests.py b/tests/run_tests.py
index 36685f5c8e5516fcd708c7e818deb0bc9bb77973..0bde76b80dde059a846fd251e2e1503ebc32091d 100644
--- a/tests/run_tests.py
+++ b/tests/run_tests.py
@@ -185,7 +185,6 @@ print("Working directory for test execution: " + os.getcwd(), flush=True)
 # call ctest
 ctest = subprocess.run(
     [ctest_executable, "-C", "Debug", "--no-tests=error", "--no-compress-output", "--output-on-failure","--gtest_output=xml:report.xml"],
-    stdin=subprocess.DEVNULL,
     stdout=subprocess.PIPE,
     stderr=subprocess.PIPE)