diff --git a/.github/scripts/common.sh b/.github/scripts/common.sh
index db9b636..1f982de 100644
--- a/.github/scripts/common.sh
+++ b/.github/scripts/common.sh
@@ -17,5 +17,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
 function tuttest_exec() {
-  tuttest "$@"
+  tuttest "$@" | bash -ex -
 }
diff --git a/.github/workflows/sphinx-tuttest.yml b/.github/workflows/sphinx-tuttest.yml
index 28658ce..4f41f56 100644
--- a/.github/workflows/sphinx-tuttest.yml
+++ b/.github/workflows/sphinx-tuttest.yml
@@ -47,7 +47,6 @@ jobs:
     env:
       LANG: "en_US.UTF-8"
       DEBIAN_FRONTEND: "noninteractive"
-      BASH_CMD: "bash -ex -"
 
     container: ${{matrix.os}}:${{matrix.os-version}}
 
@@ -69,10 +68,10 @@ jobs:
           chmod a+rx /usr/bin/tuttest
 
       - name: Install SymbiFlow toolchain
-        run: bash .github/scripts/install-toolchain.sh ${{matrix.fpga-fam}} ${{matrix.os}} | ${BASH_CMD}
+        run: bash .github/scripts/install-toolchain.sh ${{matrix.fpga-fam}} ${{matrix.os}}
 
       - name: Build examples
-        run: bash .github/scripts/build-examples.sh ${{matrix.fpga-fam}} ${{matrix.example}} | ${BASH_CMD}
+        run: bash .github/scripts/build-examples.sh ${{matrix.fpga-fam}} ${{matrix.example}}
 
       - uses: actions/upload-artifact@v2
         with: