diff --git a/regression/tests/test-realtime-udp-echo.py b/regression/tests/test-realtime-udp-echo.py
index 4c77bc125..52d21eff0 100644
--- a/regression/tests/test-realtime-udp-echo.py
+++ b/regression/tests/test-realtime-udp-echo.py
@@ -2,3 +2,6 @@
 
 """Generic trace-comparison-type regression test."""
 
+def may_run(env, options):
+    if not env["ENABLE_REAL_TIME"]:
+        return "Real-time support not available"