diff --git a/app/src/main/java/org/unifiedpush/distributor/nextpush/account/DirectAccount.kt b/app/src/main/java/org/unifiedpush/distributor/nextpush/account/DirectAccount.kt
index 0a84b13..ac17d51 100644
--- a/app/src/main/java/org/unifiedpush/distributor/nextpush/account/DirectAccount.kt
+++ b/app/src/main/java/org/unifiedpush/distributor/nextpush/account/DirectAccount.kt
@@ -94,11 +94,12 @@ class DirectAccount(context: Context) : Account<OkHttpClient> {
             return response.request.newBuilder().header("Authorization", credential).build()
         }
 
-        private fun responseCount(_response: Response): Int {
-            var response = _response
+        /** Count number of authentication request/response */
+        private fun responseCount(response: Response): Int {
+            var mutResponse = response
             var result = 1
-            while (response.priorResponse?.also {
-                response = it
+            while (mutResponse.priorResponse?.also {
+                mutResponse = it
             } != null
             ) {
                 result++