diff --git a/app/core/telnet-service.js b/app/core/telnet-service.js
index da194e7..29c7204 100644
--- a/app/core/telnet-service.js
+++ b/app/core/telnet-service.js
@@ -29,7 +29,7 @@ module.exports = {
      * TCP ping first, respond with error
      * @type {any | void}
      */
-    const ping = await tcpping({address: '127.0.0.1', port: 9000, timeout: 500, attempts: 1});
+    const ping = await tcpping({ address: '127.0.0.1', port: 9000, timeout: 500, attempts: 1 });
     if (!ping.avg) {
       return false;
     }
@@ -46,7 +46,7 @@ module.exports = {
         shellPrompt: '>',
         timeout: 1000,
         execTimeout: 1000,
-        maxBufferLength: '10M',
+        maxBufferLength: '10M'
       }
     );
 
@@ -58,7 +58,7 @@ module.exports = {
       }
     );
 
-    worldConnection.send("quit", {
+    worldConnection.send('quit', {
         waitfor: 'Connection closed by foreign host$',
         maxBufferLength: '10M'
       }
@@ -66,7 +66,7 @@ module.exports = {
 
     worldConnection.destroy();
 
-    return worldResponse.replace("\n\r>", "").trim();
+    return worldResponse.replace('\n\r>', '').trim();
   },
 
   /**
@@ -99,7 +99,7 @@ module.exports = {
           shellPrompt: '>',
           timeout: 1000,
           execTimeout: 1000,
-          maxBufferLength: '10M',
+          maxBufferLength: '10M'
         }
       );
 
@@ -111,7 +111,7 @@ module.exports = {
         }
       );
 
-      zoneConnection[port].send("quit", {
+      zoneConnection[port].send('quit', {
           waitfor: 'Connection closed by foreign host$',
           maxBufferLength: '10M'
         }
@@ -119,11 +119,11 @@ module.exports = {
 
       zoneConnection[port].destroy();
 
-      return zoneResponse.replace("\n\r>", "").trim();
+      return zoneResponse.replace('\n\r>', '').trim();
 
     } catch (error) {
       console.log(error);
     }
 
-  },
-};
\ No newline at end of file
+  }
+};