diff --git a/bin/tests/system/qmin/tests_sh_qmin.py b/bin/tests/system/qmin/tests_sh_qmin.py
index 2566c78e0f..607732232e 100644
--- a/bin/tests/system/qmin/tests_sh_qmin.py
+++ b/bin/tests/system/qmin/tests_sh_qmin.py
@@ -9,6 +9,10 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
+import pytest_custom_markers
 
+
+# The qmin test is inherently unstable, see GL #904 for details.
+@pytest_custom_markers.flaky(max_runs=3)
 def test_qmin(run_tests_sh):
     run_tests_sh()