diff --git a/src/main/scala/lc/core/captchaProviders.scala b/src/main/scala/lc/core/captchaProviders.scala
index b36fed5..1174ade 100644
--- a/src/main/scala/lc/core/captchaProviders.scala
+++ b/src/main/scala/lc/core/captchaProviders.scala
@@ -57,7 +57,7 @@ object CaptchaProviders {
 
   def getProvider(param: Parameters): ChallengeProvider = {
     val providerConfig = filterProviderByParam(param).toList
-    if (providerConfig.length == 0) throw new NoSuchElementException(ErrorMessageEnum.NO_CAPTCHA.toString) 
+    if (providerConfig.length == 0) throw new NoSuchElementException(ErrorMessageEnum.NO_CAPTCHA.toString)
     val randomIndex = getNextRandomInt(providerConfig.length)
     val providerIndex = providerConfig(randomIndex)._1
     val selectedProvider = providers(providerIndex)