diff --git a/src/node_wasi.cc b/src/node_wasi.cc
index 80182724afea9c..4dd534af4167ee 100644
--- a/src/node_wasi.cc
+++ b/src/node_wasi.cc
@@ -104,9 +104,9 @@ static MaybeLocal<Value> WASIException(Local<Context> context,
   js_msg =
       String::Concat(isolate, js_msg, FIXED_ONE_BYTE_STRING(isolate, ", "));
   js_msg = String::Concat(isolate, js_msg, js_syscall);
-  Local<Object> e =
-    Exception::Error(js_msg)->ToObject(context)
-      .ToLocalChecked();
+  Local<Object> e;
+  if (!Exception::Error(js_msg)->ToObject(context).ToLocal(&e))
+    return MaybeLocal<Value>();
 
   if (e->Set(context,
              env->errno_string(),
@@ -128,13 +128,11 @@ WASI::WASI(Environment* env,
   options->allocator = &alloc_info_;
   int err = uvwasi_init(&uvw_, options);
   if (err != UVWASI_ESUCCESS) {
-    Local<Context> context = env->context();
-    MaybeLocal<Value> exception = WASIException(context, err, "uvwasi_init");
-
-    if (exception.IsEmpty())
+    Local<Value> exception;
+    if (!WASIException(env->context(), err, "uvwasi_init").ToLocal(&exception))
       return;
 
-    context->GetIsolate()->ThrowException(exception.ToLocalChecked());
+    env->isolate()->ThrowException(exception);
   }
 }
 
diff --git a/src/pipe_wrap.cc b/src/pipe_wrap.cc
index 9e6831b2ed3b04..1396395463dfed 100644
--- a/src/pipe_wrap.cc
+++ b/src/pipe_wrap.cc
@@ -40,7 +40,6 @@ using v8::Function;
 using v8::FunctionCallbackInfo;
 using v8::FunctionTemplate;
 using v8::Int32;
-using v8::Isolate;
 using v8::Local;
 using v8::MaybeLocal;
 using v8::Object;
@@ -216,9 +215,8 @@ void PipeWrap::Open(const FunctionCallbackInfo<Value>& args) {
   int err = uv_pipe_open(&wrap->handle_, fd);
   wrap->set_fd(fd);
 
-  Isolate* isolate = env->isolate();
   if (err != 0)
-    isolate->ThrowException(UVException(isolate, err, "uv_pipe_open"));
+    env->ThrowUVException(err, "uv_pipe_open");
 }