diff --git a/tools/gn/bootstrap/bootstrap.py b/tools/gn/bootstrap/bootstrap.py
index c52779e..6f2f5b1 100755
--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -167,7 +167,7 @@
   mkdir_p(root_gen_dir)
 
   write_buildflag_header_manually(root_gen_dir, 'base/allocator/features.h',
-      {'USE_EXPERIMENTAL_ALLOCATOR_SHIM': 'true' if is_linux else 'false'})
+      {'USE_ALLOCATOR_SHIM': 'true' if is_linux else 'false'})
 
   write_buildflag_header_manually(root_gen_dir, 'base/debug/debugging_flags.h',
       {