diff --git a/README.md b/README.md
index 5a022ac..cad8c9b 100644
--- a/README.md
+++ b/README.md
@@ -92,4 +92,4 @@ Some routes (such as `get-hourly-usage`) require timestamps. These must be provi
 
 Once connected to a Tapo device, a session is maintained between the server and the device. But Tapo devices set an expiration time, which means the session will eventually expire.
 
-If this happens, you can hit the `/refresh-session?device_name=...` route to refresh the session.
\ No newline at end of file
+If this happens, you can hit the `/refresh-session?device=...` route to refresh the session.
\ No newline at end of file
diff --git a/src/server/mod.rs b/src/server/mod.rs
index 517da42..6f9ba8a 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -98,21 +98,21 @@ pub async fn serve(
 
 #[derive(Deserialize)]
 struct RefreshDeviceSessionParams {
-    device_name: String,
+    device: String,
 }
 
 async fn refresh_session(
     State(state): State<SharedState>,
     Query(params): Query<RefreshDeviceSessionParams>,
 ) -> ApiResult<()> {
-    let RefreshDeviceSessionParams { device_name } = params;
+    let RefreshDeviceSessionParams { device } = params;
 
     let mut state = state.write().await;
 
     let device = state
         .devices
-        .get_mut(&device_name)
-        .with_context(|| format!("Unkown device: {device_name}"))?;
+        .get_mut(&device)
+        .with_context(|| format!("Unkown device: {device}"))?;
 
     device
         .refresh_session()