diff --git a/config/surf_snellius.py b/config/surf_snellius.py
index b8f0acef..e5802838 100644
--- a/config/surf_snellius.py
+++ b/config/surf_snellius.py
@@ -34,7 +34,7 @@
             'modules_system': 'lmod',
             # Just accept any hostname. List of hostnames can only get outdated, and this is a single-system config
             # file anyway.
-            'hostnames': ['*'],
+            'hostnames': ['.*'],
             'prefix': reframe_prefix,
             'stagedir': f'/scratch-shared/{os.environ.get("USER")}/reframe_output/staging',
             'partitions': [