diff --git a/src/judas_server/backend/server.py b/src/judas_server/backend/server.py
index 1011338..c53f499 100644
--- a/src/judas_server/backend/server.py
+++ b/src/judas_server/backend/server.py
@@ -25,7 +25,7 @@ class BackendServer:
                     "platform": "windows 11",
                     "cpu_info": "i7",
                 },
-                "polled": {"cpu_usage": 0, "mem_usage": 0},
+                "polled": {"cpu_usage": 0, "ram_usage": 0},
                 "ondemand": {},
             }
         }
@@ -38,8 +38,8 @@ class BackendServer:
     def _poll_loop(self) -> None:
         while self.running:
             for client in self.clients.values():
-                client["polled"]["cpu"] = round(rn.uniform(0, 100), 1)
-                client["polled"]["ram"] = round(rn.uniform(0, 100), 1)
+                client["polled"]["cpu_usage"] = round(rn.uniform(0, 100), 1)
+                client["polled"]["ram_usage"] = round(rn.uniform(0, 100), 1)
             time.sleep(1)
 
     def get_client_data(