diff --git a/.buildkite/pipelines/build_linux.json.py b/.buildkite/pipelines/build_linux.json.py
index 913e8e154..eed269d4c 100755
--- a/.buildkite/pipelines/build_linux.json.py
+++ b/.buildkite/pipelines/build_linux.json.py
@@ -237,7 +237,7 @@ def main(args):
             "env": {
               **common_env,
               "ML_DEBUG": "1",
-              "CMAKE_FLAGS": "-DCMAKE_TOOLCHAIN_FILE=cmake/linux-x86_64.cmake -DML_FAST_DEBUG=ON -DCMAKE_UNITY_BUILD=ON -DML_PCH=ON",
+              "CMAKE_FLAGS": "-DCMAKE_TOOLCHAIN_FILE=cmake/linux-x86_64.cmake -DML_FAST_DEBUG=ON -DCMAKE_UNITY_BUILD=ON -DML_PCH=ON -DCMAKE_COMPILE_WARNING_AS_ERROR=ON",
               "RUN_TESTS": "false",
               "SKIP_ARTIFACT_UPLOAD": "true",
             },