diff --git a/gn/toolchain/BUILD.gn b/gn/toolchain/BUILD.gn
index ba85c3d..901ba99 100644
--- a/gn/toolchain/BUILD.gn
+++ b/gn/toolchain/BUILD.gn
@@ -94,6 +94,7 @@ toolchain("msvc") {
     # ARM64 compiler is incomplete - it relies on DLLs located in the host toolchain directory.
     env_setup = "$shell set \"PATH=%PATH%;$win_vc\\Tools\\MSVC\\$win_toolchain_version\\bin\\HostX64\\x64\" && "
   }
+  env_setup = "" # overwrite
 
   cl_m32_flag = ""