diff --git a/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp b/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
index 9de1d768bdc..2004d776d74 100644
--- a/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
+++ b/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
@@ -1379,6 +1379,25 @@ ThrowCompletionOr<void> CreateArguments::execute_impl(Bytecode::Interpreter& int
 ThrowCompletionOr<void> SetVariable::execute_impl(Bytecode::Interpreter& interpreter) const
 {
     auto& vm = interpreter.vm();
+
+    if (m_cache.is_valid()) {
+        auto* environment = m_mode == EnvironmentMode::Lexical
+            ? interpreter.running_execution_context().lexical_environment.ptr()
+            : interpreter.running_execution_context().variable_environment.ptr();
+        for (size_t i = 0; i < m_cache.hops; ++i)
+            environment = environment->outer_environment();
+        if (!environment->is_permanently_screwed_by_eval()) {
+            auto value = interpreter.get(src());
+            if (m_initialization_mode == InitializationMode::Initialize) {
+                TRY(static_cast<DeclarativeEnvironment&>(*environment).initialize_binding_direct(vm, m_cache.index, value, Environment::InitializeBindingHint::Normal));
+                return {};
+            }
+            TRY(static_cast<DeclarativeEnvironment&>(*environment).set_mutable_binding_direct(vm, m_cache.index, value, vm.in_strict_mode()));
+            return {};
+        }
+        m_cache = {};
+    }
+
     auto const& name = interpreter.current_executable().get_identifier(m_identifier);
     TRY(set_variable(vm,
         name,
diff --git a/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp b/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp
index 8e30f69bbf0..3cd0072912c 100644
--- a/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp
+++ b/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp
@@ -110,9 +110,12 @@ ThrowCompletionOr<void> DeclarativeEnvironment::create_immutable_binding(VM&, De
 // 4.1.1.1.1 InitializeBinding ( N, V, hint ), https://tc39.es/proposal-explicit-resource-management/#sec-declarative-environment-records
 ThrowCompletionOr<void> DeclarativeEnvironment::initialize_binding(VM& vm, DeprecatedFlyString const& name, Value value, Environment::InitializeBindingHint hint)
 {
-    auto binding_and_index = find_binding_and_index(name);
-    VERIFY(binding_and_index.has_value());
-    auto& binding = binding_and_index->binding();
+    return initialize_binding_direct(vm, find_binding_and_index(name)->index().value(), value, hint);
+}
+
+ThrowCompletionOr<void> DeclarativeEnvironment::initialize_binding_direct(VM& vm, size_t index, Value value, Environment::InitializeBindingHint hint)
+{
+    auto& binding = m_bindings.at(index);
 
     // 1. Assert: envRec must have an uninitialized binding for N.
     VERIFY(binding.initialized == false);
diff --git a/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h b/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h
index dea181b219b..25b425bc3d5 100644
--- a/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h
+++ b/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h
@@ -56,6 +56,7 @@ public:
         return names;
     }
 
+    ThrowCompletionOr<void> initialize_binding_direct(VM&, size_t index, Value, InitializeBindingHint);
     ThrowCompletionOr<void> set_mutable_binding_direct(VM&, size_t index, Value, bool strict);
     ThrowCompletionOr<Value> get_binding_value_direct(VM&, size_t index) const;