diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2253cec..be484cb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -78,7 +78,7 @@ jobs:
       run: brew install ninja
     - name: Build and test
       run: python $GITHUB_WORKSPACE/ci/run-ci.py build-and-test --profile $GITHUB_WORKSPACE/ci/conan-profiles/macos11
-  build-windows:
+  build-windows-cxx14:
     runs-on: windows-latest
     strategy:
       matrix:
@@ -105,7 +105,32 @@ jobs:
       run: |
         set CXX=cl
         "${{ matrix.vcvars_cmd }}" ${{ matrix.vcvars_args }} && python %GITHUB_WORKSPACE%/ci/run-ci.py build-and-test --profile %GITHUB_WORKSPACE%/ci/conan-profiles/${{ matrix.compiler }}
-
+  build-windows-cxx17:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        compiler: [vs2019]
+        include:
+          - os: windows-latest
+            compiler: vs2019
+            vcvars_cmd: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat
+            vcvars_args: x64 10.0.18362.0
+    steps:
+    - name: Setup Python environment
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install conan and path
+      run: pip install conan==$env:CONAN_VERSION path==$env:PATH_VERSION --user
+    - name: Checkout repository
+      uses: actions/checkout@v1
+    - name: Install build tools
+      run: cinst ninja -y
+    - name: Build and test
+      shell: cmd
+      run: |
+        set CXX=cl
+        "${{ matrix.vcvars_cmd }}" ${{ matrix.vcvars_args }} && python %GITHUB_WORKSPACE%/ci/run-ci.py build-and-test --profile %GITHUB_WORKSPACE%/ci/conan-profiles/vs2019-cxx17
   build-windows-cxx20:
     runs-on: windows-latest
     strategy:
@@ -116,7 +141,6 @@ jobs:
             compiler: vs2019
             vcvars_cmd: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat
             vcvars_args: x64 10.0.18362.0
-
     steps:
     - name: Setup Python environment
       uses: actions/setup-python@v2
diff --git a/ci/conan-profiles/vs2019-cxx17 b/ci/conan-profiles/vs2019-cxx17
new file mode 100644
index 0000000..d78c45d
--- /dev/null
+++ b/ci/conan-profiles/vs2019-cxx17
@@ -0,0 +1,10 @@
+[settings]
+os=Windows
+os_build=Windows
+build_type=Release
+arch_build=x86_64
+compiler=Visual Studio
+compiler.version=16
+compiler.runtime=MD
+compiler.cppstd=17
+arch=x86_64
diff --git a/config/include/mgs/config.hpp b/config/include/mgs/config.hpp
index e984880..85067a4 100644
--- a/config/include/mgs/config.hpp
+++ b/config/include/mgs/config.hpp
@@ -1,22 +1,17 @@
 #pragma once
 
 #ifdef _MSC_VER
-#  if _MSVC_LANG >= 201402L
-#    define MGS_HAS_CPP14
-#    if _MSVC_LANG >= 201703L
-#      define MGS_HAS_CPP17
-#      define MGS_HAS_CPP20
-#    endif
+#  if _MSVC_LANG > 201703L
+#    define MGS_HAS_CPP20
+#    define MGS_HAS_CPP17
+#  elif _MSVC_LANG > 201402L
+#    define MGS_HAS_CPP17
 #  endif
 #else
 #  if __cplusplus >= 201709L
 #    define MGS_HAS_CPP20
 #    define MGS_HAS_CPP17
-#    define MGS_HAS_CPP14
 #  elif __cplusplus >= 201703L
 #    define MGS_HAS_CPP17
-#    define MGS_HAS_CPP14
-#  elif __cplusplus >= 201402L
-#    define MGS_HAS_CPP14
 #  endif
 #endif