diff --git a/ets2panda/compiler/core/compilerImpl.cpp b/ets2panda/compiler/core/compilerImpl.cpp
index 539573f68cef867f68908e67f72726a508a3e1dd..5f070d67f4865b8de5750ce502daf790158f1f89 100644
--- a/ets2panda/compiler/core/compilerImpl.cpp
+++ b/ets2panda/compiler/core/compilerImpl.cpp
@@ -345,6 +345,9 @@ static pandasm::Program *EmitProgram(CompilerImpl *compilerImpl, public_lib::Con
 {
     ES2PANDA_PERF_SCOPE("@EmitProgram");
     context->emitter->GenAnnotation();
+
+    context->allocator->Compact();
+
     auto result = compilerImpl->Emit(context);
     if (unit.ext == ScriptExtension::ETS && context->compilingState != public_lib::CompilingState::SINGLE_COMPILING) {
         SavePermanents(context, context->parserProgram);