diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b12c1966..905a8f74 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -18,8 +18,6 @@ jobs:
     - uses: actions/checkout@v2
     - name: Add WASM target
       run: rustup target add wasm32-wasi
-    - name: Install wasm-opt (binaryen)
-      run: sudo apt-get update && sudo apt-get -y install binaryen
     - name: Build
       run: ./build-all.sh --verbose
     - name: Run tests
diff --git a/build-all.sh b/build-all.sh
index 67e36071..3243ea45 100755
--- a/build-all.sh
+++ b/build-all.sh
@@ -13,7 +13,7 @@ cd ../strider
 cargo build --release
 echo "Optimising WASM executables (4/5)..."
 cd ../..
-wasm-opt -O target/wasm32-wasi/release/status-bar.wasm -o target/status-bar.wasm
-wasm-opt -O target/wasm32-wasi/release/strider.wasm -o target/strider.wasm
+wasm-opt -O target/wasm32-wasi/release/status-bar.wasm -o target/status-bar.wasm || cp target/wasm32-wasi/release/status-bar.wasm target/status-bar.wasm
+wasm-opt -O target/wasm32-wasi/release/strider.wasm -o target/strider.wasm || cp target/wasm32-wasi/release/strider.wasm target/strider.wasm
 echo "Building zellij (5/5)..."
 cargo build $@
\ No newline at end of file