diff --git a/packages/suite-desktop/src/libs/processes/CoinjoinProcess.ts b/packages/suite-desktop/src/libs/processes/CoinjoinProcess.ts
index 14f8f341103..611115396a7 100644
--- a/packages/suite-desktop/src/libs/processes/CoinjoinProcess.ts
+++ b/packages/suite-desktop/src/libs/processes/CoinjoinProcess.ts
@@ -1,4 +1,5 @@
 import { BaseProcess, Status } from './BaseProcess';
+import { getFreePort } from '../getFreePort';
 
 export class CoinjoinProcess extends BaseProcess {
     port = 37128; // Default port, that is going to be updated when starting the process.
@@ -9,6 +10,17 @@ export class CoinjoinProcess extends BaseProcess {
         });
     }
 
+    getUrl() {
+        return `http://localhost:${this.port}/Cryptography/`;
+    }
+
+    async getPort() {
+        if (!(await this.status()).process) {
+            this.port = await getFreePort();
+        }
+        return this.port;
+    }
+
     async status(): Promise<Status> {
         if (!this.process) {
             return {
@@ -19,18 +31,16 @@ export class CoinjoinProcess extends BaseProcess {
 
         // service
         try {
-            const resp = await fetch(
-                `http://localhost:${this.port}/Cryptography/analyze-transaction`,
-                {
-                    method: 'POST',
-                    headers: {
-                        'Content-Type': 'application/json-patch+json',
-                    },
-                    body: JSON.stringify({ transactions: [] }),
+            const resp = await fetch(`${this.getUrl()}get-version`, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
                 },
-            );
+            });
             this.logger.debug(this.logTopic, `Checking status (${resp.status})`);
             if (resp.status === 200) {
+                const { version } = await resp.json();
+                this.logger.debug(this.logTopic, `WabiSabiClientLibrary version: ${version}`);
                 return {
                     service: true,
                     process: true,
@@ -47,8 +57,7 @@ export class CoinjoinProcess extends BaseProcess {
         };
     }
 
-    startOnPort(port: number): Promise<void> {
-        this.port = port;
+    start() {
         // We add the port where the process is going to run
         // since there is no way to pass it as argument yet.
         process.env.WCL_BIND_PORT = `${this.port}`;
diff --git a/packages/suite-desktop/src/modules/coinjoin.ts b/packages/suite-desktop/src/modules/coinjoin.ts
index 2af940b9ce5..ac78b1cf6da 100644
--- a/packages/suite-desktop/src/modules/coinjoin.ts
+++ b/packages/suite-desktop/src/modules/coinjoin.ts
@@ -8,7 +8,6 @@ import { createIpcProxyHandler, IpcProxyHandlerOptions } from '@trezor/ipc-proxy
 import { CoinjoinBackend, CoinjoinClient } from '@trezor/coinjoin';
 
 import { CoinjoinProcess } from '../libs/processes/CoinjoinProcess';
-import { getFreePort } from '../libs/getFreePort';
 
 import type { Module } from './index';
 
@@ -48,16 +47,9 @@ export const init: Module = ({ mainWindow }) => {
 
     const clientProxyOptions: IpcProxyHandlerOptions<CoinjoinClient> = {
         onCreateInstance: async (settings: ConstructorParameters<typeof CoinjoinClient>[0]) => {
-            let port: number;
-            if (!(await coinjoinMiddleware.status()).process) {
-                port = await getFreePort();
-            } else {
-                // If coinjoin middleware is already running but other client instance is created
-                // we use the same port.
-                port = coinjoinMiddleware.port;
-            }
-
-            settings.middlewareUrl = `http://localhost:${port}/Cryptography/`;
+            const port = await coinjoinMiddleware.getPort();
+            // override default url in coinjoin settings
+            settings.middlewareUrl = coinjoinMiddleware.getUrl();
             const client = new CoinjoinClient(settings);
             client.on('log', message => logger.debug(SERVICE_NAME, message));
             clients.push(client);
@@ -67,7 +59,7 @@ export const init: Module = ({ mainWindow }) => {
                     if (method === 'enable') {
                         logger.debug(SERVICE_NAME, `CoinjoinClient binary enable on port ${port}`);
                         try {
-                            await coinjoinMiddleware.startOnPort(port);
+                            await coinjoinMiddleware.start();
                         } catch (err) {
                             logger.error(SERVICE_NAME, `Start failed: ${err.message}`);
                             throw err; // pass this error to suite toast