1 files changed, 1 insertions, 1 deletions

diff --git a/src/WixToolset.Extensibility/IResolverExtension.cs b/src/WixToolset.Extensibility/IResolverExtension.cs
index 152ef64a..36ada8f0 100644
--- a/src/WixToolset.Extensibility/IResolverExtension.cs
+++ b/src/WixToolset.Extensibility/IResolverExtension.cs
@@ -15,7 +15,7 @@ namespace WixToolset.Extensibility
         /// </summary>
         void PreResolve(IResolveContext context);
 
-        string ResolveFile(string source, IntermediateTupleDefinition tupleDefinition, SourceLineNumber sourceLineNumbers, BindStage bindStage);
+        ResolveFileResult ResolveFile(string source, IntermediateTupleDefinition tupleDefinition, SourceLineNumber sourceLineNumbers, BindStage bindStage);
 
         /// <summary>
         /// Called after all resolving occurs.