diff --git a/.github/workflows/reusable.yml b/.github/workflows/reusable.yml
index 9721c29..6aa1dc8 100644
--- a/.github/workflows/reusable.yml
+++ b/.github/workflows/reusable.yml
@@ -326,8 +326,8 @@ jobs:
         if: env.B2_USE_CCACHE
         with:
           path: ~/.ccache
-          key: ${{matrix.os}}-${{matrix.container}}-${{matrix.compiler}}-${{github.sha}}
-          restore-keys: ${{matrix.os}}-${{matrix.container}}-${{matrix.compiler}}-
+          key: ${{matrix.os}}-${{matrix.container}}-${{matrix.xcode_app}}${{matrix.compiler}}-${{github.sha}}
+          restore-keys: ${{matrix.os}}-${{matrix.container}}-${{matrix.xcode_app}}${{matrix.compiler}}-
 
       - name: Fetch Boost.CI
         uses: actions/checkout@v4