diff --git a/images/bromite-build/build_args.gni b/images/bromite-build/build_args.gni
index 6558b1d..ea69a0f 100644
--- a/images/bromite-build/build_args.gni
+++ b/images/bromite-build/build_args.gni
@@ -1,7 +1,7 @@
 
 declare_args() {
   _is_debug_build = ""
-  target_cpu = "x86"
+  target_cpu = "x64"
 }
 
 _is_debug_build = getenv("TARGET_ISDEBUG")