diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5a3883e809..0b312a2376 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -73,16 +73,16 @@ jobs:
       run: |
         make -C ports/unix VARIANT=coverage -j2
     - name: Test all
-      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython ./run-tests -j1
+      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests -j1
       working-directory: tests
     - name: Native Tests
-      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython ./run-tests -j1 --emit native
+      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests -j1 --emit native
       working-directory: tests
     - name: mpy Tests
-      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython ./run-tests -j1 --mpy-cross-flags='-mcache-lookup-bc' --via-mpy -d basics float micropython
+      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests -j1 --mpy-cross-flags='-mcache-lookup-bc' --via-mpy -d basics float micropython
       working-directory: tests
     - name: Native mpy Tests
-      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython ./run-tests -j1 --mpy-cross-flags='-mcache-lookup-bc' --via-mpy --emit native -d basics float micropython
+      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests -j1 --mpy-cross-flags='-mcache-lookup-bc' --via-mpy --emit native -d basics float micropython
       working-directory: tests
     - name: Build mpy-cross.static-raspbian
       run: make -C mpy-cross -j2 -f Makefile.static-raspbian