diff --git a/pyproject.toml b/pyproject.toml
index f7ce8f5..cf74113 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,11 +11,13 @@ setup = ['-Dwheel=true']
 [tool.cibuildwheel]
 build-verbosity = 3
 before-all = "bash {project}/cibw_before_all.sh"
-before-build-linux = "source scl_source enable llvm-toolset-7.0 || true"
 manylinux-x86_64-image = "manylinux2014"
 manylinux-i686-image = "manylinux2014"
 skip = "pp*"
 
+[tool.cibuildwheel.linux]
+before-build = "source scl_source enable llvm-toolset-7.0 || true"
+
 [tool.cibuildwheel.windows]
 environment = { CMAKE_PREFIX_PATH="C:\\rizin" }
 archs = ["AMD64"]