diff --git a/src/Core/Services/Implementations/AzureQueueBlockIpService.cs b/src/Core/Services/Implementations/AzureQueueBlockIpService.cs
index 00574f39ae..a7843e8ba4 100644
--- a/src/Core/Services/Implementations/AzureQueueBlockIpService.cs
+++ b/src/Core/Services/Implementations/AzureQueueBlockIpService.cs
@@ -35,7 +35,7 @@ namespace Bit.Core.Services
             }
 
             _lastBlock = new Tuple<string, bool, DateTime>(ipAddress, permanentBlock, now);
-            var message = new CloudQueueMessage(CoreHelpers.Base64UrlEncodeString(ipAddress));
+            var message = new CloudQueueMessage(ipAddress);
             await _blockIpQueue.AddMessageAsync(message);
             if(!permanentBlock)
             {