1 files changed, 1 insertions, 1 deletions

diff --git a/src/WixToolset.Core/ExtensibilityServices/BackendHelper.cs b/src/WixToolset.Core/ExtensibilityServices/BackendHelper.cs
index 0bdecf7a..e4b6e959 100644
--- a/src/WixToolset.Core/ExtensibilityServices/BackendHelper.cs
+++ b/src/WixToolset.Core/ExtensibilityServices/BackendHelper.cs
@@ -12,7 +12,7 @@ namespace WixToolset.Core.ExtensibilityServices
     {
         private static readonly string[] ReservedFileNames = { "CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9" };
 
-        public BackendHelper(IServiceProvider serviceProvider)
+        public BackendHelper(IWixToolsetServiceProvider serviceProvider)
         {
             this.Messaging = serviceProvider.GetService<IMessaging>();
         }