diff --git a/OneSignalSDK.dotnet.iOS/OneSignalImplementation.cs b/OneSignalSDK.dotnet.iOS/OneSignalImplementation.cs
index 44dc2b8..f39613d 100644
--- a/OneSignalSDK.dotnet.iOS/OneSignalImplementation.cs
+++ b/OneSignalSDK.dotnet.iOS/OneSignalImplementation.cs
@@ -200,6 +200,7 @@ public override async Task<bool> DeleteTags(params string[] keys) {
          count = 0;
          foreach (var key in keys) {
             nsKeys[count] = NSString.FromData(key, NSStringEncoding.UTF8);
+            count++;
          }
 
          OneSignalNative.DeleteTags(nsKeys, response => proxy.OnResponse(true), response => proxy.OnResponse(false));