diff --git a/build-bench-env.sh b/build-bench-env.sh
index 9b98cc4..0fe766c 100755
--- a/build-bench-env.sh
+++ b/build-bench-env.sh
@@ -872,7 +872,7 @@ if test "$setup_rocksdb" = "1"; then
   set +e
   patch -p1 -N -r- < ../../patches/rocksdb_cacheline_alloc.patch
   set -e
-  DISABLE_WARNING_AS_ERROR=1 DISABLE_JEMALLOC=1 ROCKSDB_DISABLE_TCMALLOC=1 make db_bench -j $procs
+  DISABLE_WARNING_AS_ERROR=1 DISABLE_JEMALLOC=1 ROCKSDB_DISABLE_TCMALLOC=1 PORTABLE=1 make db_bench -j $procs
   [ "$CI" ] && find . -name '*.o' -delete
   popd
 fi