diff --git a/bucket/llvm.json b/bucket/llvm.json
index 96cf03a9ae..efb8debb4c 100644
--- a/bucket/llvm.json
+++ b/bucket/llvm.json
@@ -19,6 +19,10 @@
     },
     "pre_install": "Remove-Item \"$dir\\`$*\", \"$dir\\Uninstall.exe\" -Recurse",
     "env_add_path": "bin",
+    "env_set": {
+        "LIBCLANG_PATH": "$dir\\bin",
+        "LLVM_LIB_DIR": "$dir\\lib"
+    },
     "checkver": {
         "github": "https://github.com/llvm/llvm-project",
         "regex": "tag/llvmorg-([\\d._]+)"