diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d1581eddf..0a7408d22 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -139,6 +139,8 @@ jobs:
       C2_PLUGINS: ${{ matrix.plugins }}
       C2_ENABLE_CRASHPAD: ${{ matrix.skip-crashpad == false }}
       C2_BUILD_WITH_QT6: ${{ startsWith(matrix.qt-version, '6.') }}
+      C2_USE_OPENSSL3: ${{ startsWith(matrix.qt-version, '6.') && 'True' || 'False' }}
+      C2_CONAN_CACHE_SUFFIX: ${{ startsWith(matrix.qt-version, '6.') && '-QT6' || '' }}
 
     steps:
       - uses: actions/checkout@v4
@@ -188,13 +190,6 @@ jobs:
         if: startsWith(matrix.os, 'windows')
         uses: ilammy/msvc-dev-cmd@v1.13.0
 
-      - name: Setup conan variables (Windows)
-        if: startsWith(matrix.os, 'windows')
-        run: |
-          "C2_USE_OPENSSL3=$(if ($Env:C2_BUILD_WITH_QT6 -eq "on") { "True" } else { "False" })" >> "$Env:GITHUB_ENV"
-          "C2_CONAN_CACHE_SUFFIX=$(if ($Env:C2_BUILD_WITH_QT6 -eq "on") { "-QT6" } else { "`" })" >> "$Env:GITHUB_ENV"
-        shell: powershell
-
       - name: Setup sccache (Windows)
         # sccache v0.7.4
         uses: hendrikmuhs/ccache-action@v1.2.12
diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index 12ddb164c..f1c76e8cb 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -32,6 +32,8 @@ jobs:
     env:
       C2_BUILD_WITH_QT6: ${{ startsWith(matrix.qt-version, '6.') && 'ON' || 'OFF' }}
       QT_MODULES: ${{ startsWith(matrix.qt-version, '6.') && 'qt5compat qtimageformats' || '' }}
+      C2_USE_OPENSSL3: ${{ startsWith(matrix.qt-version, '6.') && 'True' || 'False' }}
+      C2_CONAN_CACHE_SUFFIX: ${{ startsWith(matrix.qt-version, '6.') && '-QT6' || '' }}
 
     steps:
       - name: Enable plugin support
@@ -65,12 +67,6 @@ jobs:
       - name: Enable Developer Command Prompt
         uses: ilammy/msvc-dev-cmd@v1.13.0
 
-      - name: Setup conan variables
-        if: startsWith(matrix.os, 'windows')
-        run: |
-          "C2_USE_OPENSSL3=$(if ($Env:C2_BUILD_WITH_QT6 -eq "on") { "True" } else { "False" })" >> "$Env:GITHUB_ENV"
-          "C2_CONAN_CACHE_SUFFIX=$(if ($Env:C2_BUILD_WITH_QT6 -eq "on") { "-QT6" } else { "`" })" >> "$Env:GITHUB_ENV"
-
       - name: Setup sccache
         # sccache v0.7.4
         uses: hendrikmuhs/ccache-action@v1.2.12