diff --git a/substrate/frame/contracts/fixtures/build.rs b/substrate/frame/contracts/fixtures/build.rs
index 7b814ef77a..8e00bbc9d0 100644
--- a/substrate/frame/contracts/fixtures/build.rs
+++ b/substrate/frame/contracts/fixtures/build.rs
@@ -203,6 +203,7 @@ fn invoke_wasm_build(current_dir: &Path) -> Result<()> {
 
 	let build_res = Command::new(env::var("CARGO")?)
 		.current_dir(current_dir)
+		.env("CARGO_TARGET_DIR", current_dir.join("target").display().to_string())
 		.env("CARGO_ENCODED_RUSTFLAGS", encoded_rustflags)
 		.args(["build", "--release", "--target=wasm32-unknown-unknown"])
 		.output()