diff --git a/.github/workflows/xahau-ga-macos.yml.disabled b/.github/workflows/xahau-ga-macos.yml.disabled
index 65d547093..4748abded 100644
--- a/.github/workflows/xahau-ga-macos.yml.disabled
+++ b/.github/workflows/xahau-ga-macos.yml.disabled
@@ -107,6 +107,9 @@ jobs:
           compiler: apple-clang
           compiler_version: ${{ steps.detect-compiler.outputs.compiler_version }}
           stdlib: libcxx
+          # grpc 1.50.1 trips this on newer Apple Clang (clang-19+ frontend).
+          # Drop when grpc is bumped past the fix.
+          conan_deps_cxxflags: '["-Wno-missing-template-arg-list-after-template-kw"]'
 
       - name: Build
         uses: ./.github/actions/xahau-ga-build