diff --git a/packages/core/src/network/client.ts b/packages/core/src/network/client.ts
index 42d42a36..e4de2706 100644
--- a/packages/core/src/network/client.ts
+++ b/packages/core/src/network/client.ts
@@ -360,6 +360,8 @@ export class MtClient extends EventEmitter {
      * Close all connections and finalize the client.
      */
     async close(): Promise<void> {
+        this.log.debug('closing client')
+
         this._config.destroy()
         await this.network.destroy()
 
@@ -369,6 +371,8 @@ export class MtClient extends EventEmitter {
         this._prepare.reset()
         this._connect.reset()
         this._abortController.abort()
+
+        this.log.debug('client closed successfully')
     }
 
     /**
diff --git a/packages/core/src/network/mtproto-session.ts b/packages/core/src/network/mtproto-session.ts
index 5fc4e0e0..731cc502 100644
--- a/packages/core/src/network/mtproto-session.ts
+++ b/packages/core/src/network/mtproto-session.ts
@@ -200,6 +200,7 @@ export class MtprotoSession {
         if (!keepPending) {
             for (const info of this.pendingMessages.values()) {
                 if (info._ === 'rpc') {
+                    this.log.debug('rejecting pending rpc %s', info.rpc.method)
                     info.rpc.promise.reject(new MtcuteError('Session is reset'))
                 }
             }
@@ -214,6 +215,7 @@ export class MtprotoSession {
                 const rpc = this.queuedRpc.popFront()!
 
                 if (rpc.sent === false) {
+                    this.log.debug('rejecting pending rpc %s', rpc.method)
                     rpc.promise.reject(new MtcuteError('Session is reset'))
                 }
             }