diff --git a/tools/build-wasm.js b/tools/build-wasm.js
index f743e91c8..7623852e0 100644
--- a/tools/build-wasm.js
+++ b/tools/build-wasm.js
@@ -61,7 +61,7 @@ if (process.argv[2] !== "--in-container") {
 }
 
 execSync(
-         `cp -r /home/node/.rustup /home/node/home/.rustup && \
+	`cp -r /home/node/.rustup /home/node/home/.rustup && \
          HOME=/home/node/home && \
          rustc --version && \
          cd bindings/binding_typescript_wasm && \