diff --git a/lib/3scale/backend/async_redis/protocol/extended_resp2.rb b/lib/3scale/backend/async_redis/protocol/extended_resp2.rb
index 83213b4f..eaf17687 100644
--- a/lib/3scale/backend/async_redis/protocol/extended_resp2.rb
+++ b/lib/3scale/backend/async_redis/protocol/extended_resp2.rb
@@ -13,7 +13,7 @@ class ExtendedRESP2
 
           def initialize(db: nil, credentials: [])
             @db = db
-            @credentials = credentials
+            @credentials = credentials.reject{_1.to_s.strip.empty?}
           end
 
           def client(stream)