1 files changed, 1 insertions, 1 deletions

diff --git a/src/WixToolset.WixBA/WixBAFactory.cs b/src/WixToolset.WixBA/WixBAFactory.cs
index 66012521..0c219f17 100644
--- a/src/WixToolset.WixBA/WixBAFactory.cs
+++ b/src/WixToolset.WixBA/WixBAFactory.cs
@@ -6,7 +6,7 @@ namespace WixToolset.WixBA
 
     public class WixBAFactory : BaseBootstrapperApplicationFactory
     {
-        protected override IBootstrapperApplication Create(Engine engine, ref Command command)
+        protected override IBootstrapperApplication Create(IEngine engine, IBootstrapperCommand command)
         {
             return new WixBA(engine, command);
         }