diff --git a/azure-storage/src/main/scala/akka/stream/alpakka/azure/storage/impl/AzureStorageStream.scala b/azure-storage/src/main/scala/akka/stream/alpakka/azure/storage/impl/AzureStorageStream.scala
index 7a37111c5b..80a748ae57 100644
--- a/azure-storage/src/main/scala/akka/stream/alpakka/azure/storage/impl/AzureStorageStream.scala
+++ b/azure-storage/src/main/scala/akka/stream/alpakka/azure/storage/impl/AzureStorageStream.scala
@@ -315,7 +315,7 @@ object AzureStorageStream {
       )
   }
 
-  private def createQueryString(settings: StorageSettings, apiQueryString: Option[String] = None) = {
+  private def createQueryString(settings: StorageSettings, apiQueryString: Option[String]) = {
     if (settings.authorizationType == SasAuthorizationType) {
       if (settings.sasToken.isEmpty) throw new RuntimeException("SAS token must be defined for SAS authorization type.")
       else {