diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index 8b9f0ba..d588868 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -3,6 +3,9 @@ on:
   pull_request:
     branches:
       - "master"
+  push:
+    branches:
+      - "master"
 
 jobs:
   build:
@@ -12,8 +15,9 @@ jobs:
       matrix:
         rosdistro: ['noetic']
         gcc: ['8', '9', '10']
+        cxx: ['11', '14', '17']
     container: ros:${{ matrix.rosdistro }}-ros-base-focal
-    name: ROS ${{ matrix.rosdistro }} - GCC ${{ matrix.gcc }}
+    name: ROS ${{ matrix.rosdistro }} - GCC ${{ matrix.gcc }} - C++${{ matrix.cxx }}
     steps:
     - uses: actions/checkout@v3
       name: Checkout lpp
@@ -35,7 +39,7 @@ jobs:
       run: sudo apt install -y libgoogle-glog-dev
 
     - name: Build lpp
-      run: source /opt/ros/${{ matrix.rosdistro }}/setup.bash && catkin build lpp && source ${GITHUB_WORKSPACE}/catkin_ws/devel/setup.bash
+      run: source /opt/ros/${{ matrix.rosdistro }}/setup.bash && catkin build -DCMAKE_CXX_STANDARD=${{ matrix.cxx }} lpp && source ${GITHUB_WORKSPACE}/catkin_ws/devel/setup.bash
       working-directory: catkin_ws
       shell: bash
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b09bffa..262d95a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ if (${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME})
 endif ()
 
 # Set standard of top level project or C++17
-if (NOT DEFINED ${CMAKE_CXX_STANDARD})
+if (NOT DEFINED CMAKE_CXX_STANDARD)
         set(CMAKE_CXX_STANDARD 17)
 else ()
         set(CMAKE_CXX_STANDARD ${CMAKE_CXX_STANDARD})
diff --git a/src/demo.cpp b/src/demo.cpp
index 46a0944..24d4306 100644
--- a/src/demo.cpp
+++ b/src/demo.cpp
@@ -4,7 +4,7 @@
 
 #include <log++.h>
 
-int main(int argc, char **argv) {
+int main([[maybe_unused]] int argc, char **argv) {
   LOG_INIT(argv[0]);
 
   int foo = 5;