diff --git a/website/other/bezier-rs-demos/wasm/Cargo.toml b/website/other/bezier-rs-demos/wasm/Cargo.toml
index 1d746e38ae..e3f5a29fd8 100644
--- a/website/other/bezier-rs-demos/wasm/Cargo.toml
+++ b/website/other/bezier-rs-demos/wasm/Cargo.toml
@@ -37,7 +37,7 @@ demangle-name-section = true
 dwarf-debug-info = true
 
 [package.metadata.wasm-pack.profile.release]
-wasm-opt = ["-Oz"]
+wasm-opt = ["-Oz", "--enable-bulk-memory"]
 
 [package.metadata.wasm-pack.profile.release.wasm-bindgen]
 debug-js-glue = false
diff --git a/website/other/build.sh b/website/other/build.sh
index 433369c185..86be2fcf0d 100644
--- a/website/other/build.sh
+++ b/website/other/build.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e # Exit with nonzero exit code if any individual command fails throughout the script
 
 echo 📁 Create output directory in 'website/other/dist'
 cd website/other