diff --git a/script/bench.rb b/script/bench.rb
index fa6e68d169c..a93b44faa31 100644
--- a/script/bench.rb
+++ b/script/bench.rb
@@ -132,6 +132,7 @@ discourse_env_vars = %w(
   RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR
   RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR
   RUBY_GLOBAL_METHOD_CACHE_SIZE
+  LD_PRELOAD
 )
 
 if @include_env