diff --git a/src/builtin/module_builtin_runtime.cpp b/src/builtin/module_builtin_runtime.cpp
index 0149f6b19b..eba3beaf1c 100644
--- a/src/builtin/module_builtin_runtime.cpp
+++ b/src/builtin/module_builtin_runtime.cpp
@@ -1452,6 +1452,15 @@ namespace das
         return *daScriptEnvironment::bound ? (*daScriptEnvironment::bound)->g_isInAot : false;
     }
 
+    void set_aot ( ) {
+        assert(*daScriptEnvironment::bound);
+        (*daScriptEnvironment::bound)->g_isInAot = true;
+    }
+    void reset_aot ( ) {
+        assert(*daScriptEnvironment::bound);
+        (*daScriptEnvironment::bound)->g_isInAot = false;
+    }
+
     bool is_in_completion ( ) {
         if ( *daScriptEnvironment::bound && (*daScriptEnvironment::bound)->g_Program ) {
             return (*daScriptEnvironment::bound)->g_Program->policies.completion;
@@ -1983,6 +1992,10 @@ namespace das
         // migrate data
         addExtern<DAS_BIND_FUN(is_in_aot)>(*this, lib, "is_in_aot",
             SideEffects::worstDefault, "is_in_aot");
+        addExtern<DAS_BIND_FUN(set_aot)>(*this, lib, "set_aot",
+            SideEffects::worstDefault, "set_aot");
+        addExtern<DAS_BIND_FUN(reset_aot)>(*this, lib, "reset_aot",
+            SideEffects::worstDefault, "reset_aot");
         // completion
         addExtern<DAS_BIND_FUN(is_in_completion)>(*this, lib, "is_in_completion",
             SideEffects::worstDefault, "is_in_completion");
diff --git a/src/das/ast/ast_aot_cpp.das b/src/das/ast/ast_aot_cpp.das
index e184fa103c..c9fc435b7d 100644
--- a/src/das/ast/ast_aot_cpp.das
+++ b/src/das/ast/ast_aot_cpp.das
@@ -2762,7 +2762,7 @@ class CppAot : AstVisitor {
         }
         if (!blk.blockFlags.aotSkipMakeBlock || blk.blockFlags.aotDoNotSkipAnnotationData) {
             if (blk.annotationDataSid != uint64(0)) {
-                write(*ss, "__context__.adBySid({blk.annotationDataSid}u)");
+                write(*ss, "__context__->adBySid({blk.annotationDataSid:d}u)");
             } else {
                 write(*ss, "0");
             }
@@ -3141,7 +3141,7 @@ class CppAot : AstVisitor {
                 let fun_t_str = describeCppTypeEx(funArgType, CpptSubstitureRef.no, CpptSkipRef.yes, CpptSkipConst.no, CpptRedundantConst.yes, CpptUseAlias.yes);
                 write(*ss, "das_reinterpret<{fun_t_str}>::pass(");
             } else {
-                write(*ss, "das_alias<{funArgType.alias}>.to(");
+                write(*ss, "das_alias<{funArgType.alias}>::to(");
             }
         }
         if (!call.func.flags.noPointerCast && needPtrCast(funArgType, arg._type, arg)) {
@@ -3538,6 +3538,7 @@ def updateCOP(var cop : CodeOfPolicies) {
 }
 
 def compile_and_simulate(input : string, var access; var mg : ModuleGroup?, cop, blk) {
+    set_aot();
     compile_file(input, access, mg, cop) <| $(ok, program, issues) {
         if (!ok) {
             print("failed to compile {input}\n{issues}\n")
diff --git a/src/das/ast/printer_flags_visitor.das b/src/das/ast/printer_flags_visitor.das
index 3d377ec512..de05e9fd0d 100644
--- a/src/das/ast/printer_flags_visitor.das
+++ b/src/das/ast/printer_flags_visitor.das
@@ -1,3 +1,4 @@
+options gen2
 options rtti = true
 // options log_infer_passes = true
 options strict_smart_pointers = false