diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1740f12a..6d001cfc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -188,7 +188,7 @@ jobs:
       - name: Configure CMake (macOS-Legacy)
         if: runner.os == 'macOS' && matrix.qt_ver == 5
         run: |
-          cmake -S . -B ${{ env.BUILD_DIR }} -DCMAKE_INSTALL_PREFIX=${{ env.INSTALL_DIR }} -DCMAKE_BUILD_TYPE=${{ inputs.build_type }} -DENABLE_LTO=ON -DLauncher_BUILD_PLATFORM=${{ matrix.name }} -DCMAKE_C_COMPILER_LAUNCHER=${{ env.CCACHE_VAR }} -DCMAKE_CXX_COMPILER_LAUNCHER=${{ env.CCACHE_VAR }} -DLauncher_QT_VERSION_MAJOR=${{ matrix.qt_ver }} -G Ninja
+          cmake -S . -B ${{ env.BUILD_DIR }} -DCMAKE_INSTALL_PREFIX=${{ env.INSTALL_DIR }} -DCMAKE_BUILD_TYPE=${{ inputs.build_type }} -DENABLE_LTO=ON -DLauncher_BUILD_PLATFORM=${{ matrix.name }} -DCMAKE_C_COMPILER_LAUNCHER=${{ env.CCACHE_VAR }} -DCMAKE_CXX_COMPILER_LAUNCHER=${{ env.CCACHE_VAR }} -DLauncher_QT_VERSION_MAJOR=${{ matrix.qt_ver }} -DMACOSX_SPARKLE_UPDATE_PUBLIC_KEY="" -DMACOSX_SPARKLE_UPDATE_FEED_URL="" -G Ninja
 
       - name: Configure CMake (Windows)
         if: runner.os == 'Windows'
@@ -254,7 +254,7 @@ jobs:
           tar -czf ../PolyMC.tar.gz *
 
       - name: Make Sparkle signature (macOS)
-        if: runner.os == 'macOS'
+        if: matrix.name == 'macOS'
         run: |
           if [ '${{ secrets.SPARKLE_ED25519_KEY }}' != '' ]; then
             brew install openssl@3