diff --git a/data/grid5000/sites/rennes/clusters/abacus5/nodes/abacus5-1.json b/data/grid5000/sites/rennes/clusters/abacus5/nodes/abacus5-1.json
index d9e1aedd5593201a3844b06472f13d49e88aed32..bdfce16d410aa4432481d408a163763765625bf0 100644
--- a/data/grid5000/sites/rennes/clusters/abacus5/nodes/abacus5-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus5/nodes/abacus5-1.json
@@ -262,7 +262,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/input/grid5000/sites/rennes/clusters/abacus5/abacus5.yaml b/input/grid5000/sites/rennes/clusters/abacus5/abacus5.yaml
index 75db204a5e802e71eed5751b70d39e5458e1d70e..9ba89bc1a0c81fd1e64b43d0cc6507282e434757 100644
--- a/input/grid5000/sites/rennes/clusters/abacus5/abacus5.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus5/abacus5.yaml
@@ -11,7 +11,7 @@ nodes:
     supported_job_types:
       deploy: true
       besteffort: true
-      max_walltime: 0
+      max_walltime: 604800
     processor:
       microarchitecture: Skylake
       clock_speed: 2400000000