diff --git a/litex/build/gowin/gowin.py b/litex/build/gowin/gowin.py
index f769bcdc9..f88fc4120 100644
--- a/litex/build/gowin/gowin.py
+++ b/litex/build/gowin/gowin.py
@@ -182,8 +182,8 @@ class GowinToolchain:
 
             # Copy Bitstream to from impl to gateware directory.
             copyfile(
-                os.path.join(build_dir, "impl", "pnr", "project.fs"),
-                os.path.join(build_dir, build_name + ".fs")
+                os.path.join("impl", "pnr", "project.fs"),
+                os.path.join(build_name + ".fs")
             )
 
         os.chdir(cwd)