diff --git a/bin/tests/system/rrl/tests_sh_rrl.py b/bin/tests/system/rrl/tests_sh_rrl.py
index 6c8edc55c2..05b43a6fe1 100644
--- a/bin/tests/system/rrl/tests_sh_rrl.py
+++ b/bin/tests/system/rrl/tests_sh_rrl.py
@@ -9,6 +9,10 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
+import pytest_custom_markers
 
+
+# The rrl is known to be quite unstable. GL #172
+@pytest_custom_markers.flaky(max_runs=2)
 def test_rrl(run_tests_sh):
     run_tests_sh()