1 files changed, 2 insertions, 1 deletions

diff --git a/src/WixToolset.Extensibility/Data/IPreprocessContext.cs b/src/WixToolset.Extensibility/Data/IPreprocessContext.cs
index 42dfbb75..89cbdd5d 100644
--- a/src/WixToolset.Extensibility/Data/IPreprocessContext.cs
+++ b/src/WixToolset.Extensibility/Data/IPreprocessContext.cs
@@ -5,10 +5,11 @@ namespace WixToolset.Extensibility.Data
     using System;
     using System.Collections.Generic;
     using WixToolset.Data;
+    using WixToolset.Extensibility.Services;
 
     public interface IPreprocessContext
     {
-        IServiceProvider ServiceProvider { get; }
+        IWixToolsetServiceProvider ServiceProvider { get; }
 
         IEnumerable<IPreprocessorExtension> Extensions { get; set; }