diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c277027419..cb2bb26841 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,24 @@ jobs:
     - name: run prometheus exporter tests
       run: ./ci/do_ci.sh cmake.exporter.prometheus.test
 
+  cmake_gcc_48_test:
+    name: CMake gcc 4.8
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: setup
+      run: |
+        sudo ./ci/setup_ci_environment.sh
+        sudo ./ci/install_gcc48.sh
+    - name: setup cmake
+      run: |
+        sudo CC=/usr/bin/gcc-4.8 CXX=/usr/bin/g++-4.8 ./ci/setup_cmake.sh
+    - name: run tests
+      run: ./ci/do_ci.sh cmake.legacy.test
+      env:
+        CC: /usr/bin/gcc-4.8
+        CXX: /usr/bin/g++-4.8
+
   cmake_test_cxx20:
     name: CMake C++20 test
     runs-on: ubuntu-20.04
diff --git a/ci/do_ci.sh b/ci/do_ci.sh
index 493e31f554..4790daabf5 100755
--- a/ci/do_ci.sh
+++ b/ci/do_ci.sh
@@ -30,6 +30,16 @@ elif [[ "$1" == "cmake.c++20.test" ]]; then
   make
   make test
   exit 0
+elif [[ "$1" == "cmake.legacy.test" ]]; then
+  cd "${BUILD_DIR}"
+  rm -rf *
+  cmake -DCMAKE_BUILD_TYPE=Debug  \
+        -DCMAKE_CXX_FLAGS="-Werror" \
+        -DCMAKE_CXX_STANDARD=11 \
+        "${SRC_DIR}"
+  make
+  make test
+  exit 0
 elif [[ "$1" == "cmake.exporter.otprotocol.test" ]]; then
   cd "${BUILD_DIR}"
   rm -rf *