diff --git a/defs/db/WsStatsConnection.ts b/defs/db/WsStatsConnection.ts
index bd7c7a23..18504bda 100644
--- a/defs/db/WsStatsConnection.ts
+++ b/defs/db/WsStatsConnection.ts
@@ -5,6 +5,7 @@ import type { DateTime } from "../DateTime.js";
 export type WsStatsConnection = {
   _id: string;
   st: string;
+  sd: string | null | undefined;
   dp: string;
   du: number | null | undefined;
   op: boolean;
diff --git a/rs/packages/api/src/ws_stats/routes/connection.rs b/rs/packages/api/src/ws_stats/routes/connection.rs
index 87e1b772..d5ed6cc2 100644
--- a/rs/packages/api/src/ws_stats/routes/connection.rs
+++ b/rs/packages/api/src/ws_stats/routes/connection.rs
@@ -177,7 +177,8 @@ impl WsConnectionHandler {
           let connection = WsStatsConnection {
             id: connection_id.clone(),
             station_id: station_id.clone(),
-            deployment_id,
+            start_deployment_id: Some(deployment_id.clone()),
+            current_deployment_id: deployment_id,
             duration_ms: None,
             is_open: true,
             country_code,
@@ -208,6 +209,7 @@ impl WsConnectionHandler {
 
           let update = doc! {
             "$set": {
+              WsStatsConnection::KEY_CURRENT_DEPLOYMENT_ID: &deployment_id,
               WsStatsConnection::KEY_IS_OPEN: true,
               WsStatsConnection::KEY_CLOSED_AT: null,
             },
diff --git a/rs/packages/db/src/models/deployment/mod.rs b/rs/packages/db/src/models/deployment/mod.rs
index 8f83c4ec..8c82e534 100644
--- a/rs/packages/db/src/models/deployment/mod.rs
+++ b/rs/packages/db/src/models/deployment/mod.rs
@@ -286,7 +286,7 @@ pub async fn check_now() -> Result<(), mongodb::error::Error> {
       }];
 
       let filter = doc! {
-        WsStatsConnection::KEY_DEPLOYMENT_ID: &deployment.id,
+        WsStatsConnection::KEY_CURRENT_DEPLOYMENT_ID: &deployment.id,
         WsStatsConnection::KEY_IS_OPEN: true,
       };
 
diff --git a/rs/packages/db/src/models/ws_stats_connection/mod.rs b/rs/packages/db/src/models/ws_stats_connection/mod.rs
index 7c7657cf..afb75c58 100644
--- a/rs/packages/db/src/models/ws_stats_connection/mod.rs
+++ b/rs/packages/db/src/models/ws_stats_connection/mod.rs
@@ -25,8 +25,11 @@ pub struct WsStatsConnection {
   #[serde(rename = "st")]
   pub station_id: String,
 
+  #[serde(rename = "sd")]
+  pub start_deployment_id: Option<String>,
+
   #[serde(rename = "dp")]
-  pub deployment_id: String,
+  pub current_deployment_id: String,
 
   // #[serde(with = "serde_util::as_f64::option")]
   // pub transfer_bytes: Option<u64>,