diff --git a/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.json b/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.json
index 8782c47a1901e62893b9fca2553129d106758412..c338008e454ae729de5d837ea2e6e62bc5053b4e 100644
--- a/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus9/nodes/abacus9-1.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/abacus9/abacus9.yaml b/input/grid5000/sites/rennes/clusters/abacus9/abacus9.yaml
index 2d406d982a5f0c294390ca9c04fe8c7aed486b1a..6df4a7012549db00daddd7972c22081621ceae5e 100644
--- a/input/grid5000/sites/rennes/clusters/abacus9/abacus9.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus9/abacus9.yaml
@@ -11,7 +11,7 @@ nodes:
     supported_job_types:
       deploy: true
       besteffort: true
-      max_walltime: 0
+      max_walltime: 604800
     processor:
       microarchitecture: Skylake
       clock_speed: 2200000000