diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index fa8d014..7cd37e7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -53,7 +53,7 @@ jobs:
       run: |
         mkdir build
         cd build
-        cmake ..
+        cmake -DBUILD_WASI=simple ..    # TODO switch to uvwasi
     - name: Build
       run: cmake --build build
     - name: Test WebAssembly spec