diff --git a/.github/workflows/build_packages.yaml b/.github/workflows/build_packages.yaml
index 4844419dc..2f6ce7b46 100644
--- a/.github/workflows/build_packages.yaml
+++ b/.github/workflows/build_packages.yaml
@@ -115,7 +115,7 @@ jobs:
 
     steps:
     - uses: emqx/self-hosted-cleanup-action@v1.0.3
-      if: matrix.os == macos-12-arm64
+      if: matrix.os == 'macos-12-arm64'
     - uses: actions/download-artifact@v3
       with:
         name: source
diff --git a/.github/workflows/build_slim_packages.yaml b/.github/workflows/build_slim_packages.yaml
index 205066a07..cd0d507f8 100644
--- a/.github/workflows/build_slim_packages.yaml
+++ b/.github/workflows/build_slim_packages.yaml
@@ -124,7 +124,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: emqx/self-hosted-cleanup-action@v1.0.3
-      if: ${{ matrix.os == 'macos-12-arm64' }}
+      if: matrix.os == 'macos-12-arm64'
     - uses: actions/checkout@v3
       with:
           fetch-depth: 0 # clone full git history