diff --git a/install-test/compile-test.bat b/install-test/compile-test.bat
index 2162124..b93a2da 100644
--- a/install-test/compile-test.bat
+++ b/install-test/compile-test.bat
@@ -1,8 +1,8 @@
 @echo off
 capnp compile -ocsharp -I%cd% .\capnp\schema.capnp
 if %ERRORLEVEL% neq 0 exit /b 1
-if exist .\capnp\schema.cs (    
-  del .\capnp\schema.cs
+if exist .\capnp\schema.capnp.cs (    
+  del .\capnp\schema.capnp.cs
 ) else (
   exit /b 2
 )