diff --git a/backend/src/apis/IotaConnector.ts b/backend/src/apis/IotaConnector.ts
index 57a457577..e1bb293a2 100644
--- a/backend/src/apis/IotaConnector.ts
+++ b/backend/src/apis/IotaConnector.ts
@@ -30,15 +30,15 @@ class IotaClientSingleton {
    */
   public static getInstance(): IotaClientSingleton | undefined {
     if (!CONFIG.IOTA || !CONFIG.IOTA_API_URL) {
-      logger.info(`Iota are disabled via config...`)    
+      logger.info(`Iota are disabled via config...`)
       return
     }
     if (!IotaClientSingleton.instance) {
       IotaClientSingleton.instance = new IotaClientSingleton()
-      try {        
+      try {
         IotaClientSingleton.instance.client = new ClientBuilder().node(CONFIG.IOTA_API_URL).build()
-      } catch(e){
-        logger.error('couldn\'t connect to iota')
+      } catch (e) {
+        logger.error("couldn't connect to iota")
         return
       }
     }
diff --git a/backend/src/apis/IotaConnector_disabled.test.ts b/backend/src/apis/IotaConnector_disabled.test.ts
index 644072c15..9a1fe81d8 100644
--- a/backend/src/apis/IotaConnector_disabled.test.ts
+++ b/backend/src/apis/IotaConnector_disabled.test.ts
@@ -9,7 +9,7 @@ describe('apis/IotaConnector/disabled', () => {
   it('getInstance return undefined if iota is disabled', () => {
     const spyLog = jest.spyOn(logger, 'info')
     expect(IotaClientSingleton.getInstance()).toBeUndefined()
-    expect(spyLog).toHaveBeenCalledWith('Iota are disabled via config...');
+    expect(spyLog).toHaveBeenCalledWith('Iota are disabled via config...')
   })
 })
 
@@ -21,6 +21,6 @@ describe('apis/IotaConnector/invalidIotaUrl', () => {
   it('log "couldn\'t connect to iota"', () => {
     const spyLog = jest.spyOn(logger, 'error')
     expect(IotaClientSingleton.getInstance()).toBeUndefined()
-    expect(spyLog).toHaveBeenCalledWith('couldn\'t connect to iota')
+    expect(spyLog).toHaveBeenCalledWith("couldn't connect to iota")
   })
 })