diff --git a/src/llvm_backend_type.cpp b/src/llvm_backend_type.cpp
index 3eb6d169d..d608cc8d7 100644
--- a/src/llvm_backend_type.cpp
+++ b/src/llvm_backend_type.cpp
@@ -175,7 +175,7 @@ gb_internal lbValue lb_type_info_member_tags_offset(lbModule *m, isize count, is
 	return offset;
 }
 
-enum {LB_USE_GIANT_PACKED_STRUCT = true};
+enum {LB_USE_GIANT_PACKED_STRUCT = LB_USE_NEW_PASS_SYSTEM};
 
 gb_internal LLVMTypeRef lb_setup_type_info_data_internal_type(lbModule *m, isize max_type_info_count) {
 	if (!LB_USE_GIANT_PACKED_STRUCT) {