diff --git a/aot/main.cpp b/aot/main.cpp
index c0eb079b20e3a4fc3055f2251ee4624deff2fb53..11ec60d43e3c54bb76ce01f4ccf20acc48588ca1 100644
--- a/aot/main.cpp
+++ b/aot/main.cpp
@@ -32,7 +32,7 @@ class MemManager {
 public:
     explicit MemManager()
     {
-        constexpr auto COMPILER_SIZE = 128_MB;
+        constexpr auto COMPILER_SIZE = 256_MB;
 
         MemConfig::Initialize(0, 0, COMPILER_SIZE, 0);
         PoolManager::Initialize(PoolType::MMAP);
@@ -68,6 +68,8 @@ static int GenerateProgram(panda::pandasm::Program *prog, const std::string &out
         }
 
         panda::bytecodeopt::OPTIONS.SetOptLevel(optLevel);
+        // Set default value instead of maximum set in panda::bytecodeopt::SetCompilerOptions()
+        panda::compiler::OPTIONS.SetCompilerMaxBytecodeSize(panda::compiler::OPTIONS.GetCompilerMaxBytecodeSize());
         panda::bytecodeopt::OptimizeBytecode(prog, mapsp, output, true, true);
     }
 #endif