diff --git a/.github/workflows/build-metrics.yml b/.github/workflows/build-metrics.yml
index f627830abbd94..34e274e667452 100644
--- a/.github/workflows/build-metrics.yml
+++ b/.github/workflows/build-metrics.yml
@@ -80,7 +80,7 @@ jobs:
         env:
           MAKEFLAGS: 'MAX_HIGH_MEM_JOBS=8 MAX_LINK_JOBS=4'
         run: |
-          EXTRA_CMAKE_FLAGS=(
+          export EXTRA_CMAKE_FLAGS=(
             "-DVELOX_ENABLE_BENCHMARKS=ON"
             "-DVELOX_ENABLE_ARROW=ON"
             "-DVELOX_ENABLE_PARQUET=ON"