diff --git a/utils/build_windows.py b/utils/build_windows.py
index 95cc8564..1a94632a 100644
--- a/utils/build_windows.py
+++ b/utils/build_windows.py
@@ -204,7 +204,7 @@ def main(args: argparse.Namespace) -> None:
     outDir.mkdir()
     libDir.mkdir()
 
-    copySourceCode(outDir)
+    prepareCode(outDir)
     embedPython(bldDir, outDir)
     installRequirements(libDir)
     removeRedundantQt(libDir)