diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
index 4dec46a8072d883e30778ed63ba392c086473f08..2b393f9d1125c6ac0d8aa4b3edcb2f2704012c1f 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
@@ -24,7 +24,7 @@
       "memory": 5636096000,
       "model": "Tesla M2075",
       "power_default_limit": "225.00 W",
-      "reservation": true,
+      "reservation": false,
       "vbios_version": "70.10.46.00.05",
       "vendor": "Nvidia"
     }