diff --git a/pyproject.toml b/pyproject.toml
index 3302bec..0b293b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -198,5 +198,6 @@ test-command = "pytest -s -vv --import-mode importlib {project}/tests/fast_pauli
 
 [tool.cibuildwheel.macos]
 before-build = "brew install llvm"
-build-frontend = { name = "pip", args = ['-C', "cmake.args=-DCMAKE_CXX_COMPILER=$(brew --prefix llvm)/bin/clang++;-DCMAKE_CXX_FLAGS=-stdlib=libc++", "-fexperimental-library"] }
+environment = "CXX=$(brew --prefix llvm)/bin/clang++"
+build-frontend = { name = "pip", args = ['-C', "cmake.args=-DCMAKE_CXX_FLAGS='-stdlib=libc++ -fexperimental-library'"] }
 # -C cmake.args="-DCMAKE_CXX_COMPILER=$(brew --prefix llvm)/bin/clang++;-DCMAKE_CXX_FLAGS='-stdlib=libc++ -fexperimental-library'"