diff --git a/.github/workflows/aarch64_linux.yml b/.github/workflows/aarch64_linux.yml
index 6a0d4b7..c47b990 100644
--- a/.github/workflows/aarch64_linux.yml
+++ b/.github/workflows/aarch64_linux.yml
@@ -20,6 +20,7 @@ jobs:
       fail-fast: false
     env:
       TARGET: ${{ matrix.targets[0] }}
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
     - uses: actions/checkout@v2
     - name: Install Ninja
diff --git a/.github/workflows/arm_linux.yml b/.github/workflows/arm_linux.yml
index 8af22e1..491af63 100644
--- a/.github/workflows/arm_linux.yml
+++ b/.github/workflows/arm_linux.yml
@@ -23,6 +23,7 @@ jobs:
       fail-fast: false
     env:
       TARGET: ${{ matrix.targets[0] }}
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
     - uses: actions/checkout@v2
     - name: Install Ninja
diff --git a/.github/workflows/mips_linux.yml b/.github/workflows/mips_linux.yml
index 90263f5..37bac2b 100644
--- a/.github/workflows/mips_linux.yml
+++ b/.github/workflows/mips_linux.yml
@@ -22,6 +22,7 @@ jobs:
       fail-fast: false
     env:
       TARGET: ${{ matrix.targets[0] }}
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
     - uses: actions/checkout@v2
     - name: Install Ninja
diff --git a/.github/workflows/windows_x86_64.yml b/.github/workflows/windows_x86_64.yml
index 0c4f3ec..bd6748a 100644
--- a/.github/workflows/windows_x86_64.yml
+++ b/.github/workflows/windows_x86_64.yml
@@ -11,6 +11,8 @@ jobs:
   # Building using the github runner environement directly.
   msvc:
     runs-on: windows-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
     - uses: actions/checkout@v2
     - name: Configure
diff --git a/.github/workflows/x86_darwin.yml b/.github/workflows/x86_darwin.yml
index bfa4b72..e15282c 100644
--- a/.github/workflows/x86_darwin.yml
+++ b/.github/workflows/x86_darwin.yml
@@ -11,6 +11,8 @@ jobs:
   # Building using the github runner environement directly.
   xcode:
     runs-on: macos-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
     - uses: actions/checkout@v2
     - name: Check cmake
@@ -25,6 +27,8 @@ jobs:
       run: cmake --build build --config Release --target install -v
   make:
     runs-on: macos-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
     - uses: actions/checkout@v2
     - name: Check cmake
diff --git a/.github/workflows/x86_linux.yml b/.github/workflows/x86_linux.yml
index 7b345c6..1e86db6 100644
--- a/.github/workflows/x86_linux.yml
+++ b/.github/workflows/x86_linux.yml
@@ -11,6 +11,8 @@ jobs:
   # Building using the github runner environement directly.
   make:
     runs-on: ubuntu-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
     - uses: actions/checkout@v2
     - name: Check cmake