diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 104d0d76f2b..d60c3e7e8c8 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -245,7 +245,13 @@ jobs:
         with:
           command: install
           args: --git https://github.com/rust-diplomat/diplomat.git --rev 3ac8c3e8e31353a2f3eb02d015eb23a1feb84b4d diplomat-tool
-
+      - name: Install emsdk
+        run: |
+          cd ~
+          git clone https://github.com/emscripten-core/emsdk.git
+          cd emsdk
+          ./emsdk install latest
+          ./emsdk activate latest
       - name: Build
         uses: actions-rs/cargo@v1.0.1
         with:
@@ -260,6 +266,11 @@ jobs:
         with:
           command: make
           args: wasm-test-release
+      - name: Run emscripten test
+        run: |
+          . ~/emsdk/emsdk_env.sh
+          cd ffi/cpp/examples/fixeddecimal_wasm
+          make test
 
   # Fmt job - runs cargo fmt
   fmt: