diff --git a/atom/browser/api/atom_api_window.cc b/atom/browser/api/atom_api_window.cc
index bd24b444db3a..048a8eff1df9 100644
--- a/atom/browser/api/atom_api_window.cc
+++ b/atom/browser/api/atom_api_window.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "atom/browser/api/atom_api_window.h"
+#include "atom/common/native_mate_converters/value_converter.h"
 
 #include "atom/browser/api/atom_api_menu.h"
 #include "atom/browser/api/atom_api_web_contents.h"
@@ -60,10 +61,54 @@ void OnCapturePageDone(
   callback.Run(gfx::Image::CreateFrom1xBitmap(bitmap));
 }
 
-// Convert min-width to minWidth recursively in the dictionary.
+// Converts min-width to minWidth, returns false if no conversion is needed.
+bool TranslateOldKey(const std::string& key, std::string* new_key) {
+  if (key.find('-') == std::string::npos)
+    return false;
+  new_key->reserve(key.size());
+  bool next_upper_case = false;
+  for (char c : key) {
+    if (c == '-') {
+      next_upper_case = true;
+    } else if (next_upper_case) {
+      new_key->push_back(base::ToUpperASCII(c));
+      next_upper_case = false;
+    } else {
+      new_key->push_back(c);
+    }
+  }
+  return true;
+}
+
+// Converts min-width to minWidth recursively in the dictionary.
+void TranslateOldOptions(v8::Isolate* isolate, v8::Local<v8::Object> options) {
+  auto context = isolate->GetCurrentContext();
+  auto maybe_keys = options->GetOwnPropertyNames(context);
+  if (maybe_keys.IsEmpty())
+    return;
+  std::vector<std::string> keys;
+  if (!mate::ConvertFromV8(isolate, maybe_keys.ToLocalChecked(), &keys))
+    return;
+  mate::Dictionary dict(isolate, options);
+  for (const auto& key : keys) {
+    v8::Local<v8::Value> value;
+    if (!dict.Get(key, &value))  // Shouldn't happen, but guard it anyway.
+      continue;
+    // Go recursively.
+    v8::Local<v8::Object> sub_options;
+    if (mate::ConvertFromV8(isolate, value, &sub_options))
+      TranslateOldOptions(isolate, sub_options);
+    // Translate key.
+    std::string new_key;
+    if (TranslateOldKey(key, &new_key)) {
+      dict.Set(new_key, value);
+      dict.Delete(key);
+    }
+  }
+}
 
 #if defined(OS_WIN)
-// Convert binary data to Buffer.
+// Converts binary data to Buffer.
 v8::Local<v8::Value> ToBuffer(v8::Isolate* isolate, void* val, int size) {
   auto buffer = node::Buffer::New(isolate, static_cast<char*>(val), size);
   if (buffer.IsEmpty())
@@ -77,7 +122,10 @@ v8::Local<v8::Value> ToBuffer(v8::Isolate* isolate, void* val, int size) {
 
 
 Window::Window(v8::Isolate* isolate, const mate::Dictionary& options) {
-  // Use options['web-preferences'] to create WebContents.
+  // Be compatible with old style field names like min-width.
+  TranslateOldOptions(isolate, options.GetHandle());
+
+  // Use options.webPreferences to create WebContents.
   mate::Dictionary web_preferences = mate::Dictionary::CreateEmpty(isolate);
   options.Get(switches::kWebPreferences, &web_preferences);
 
diff --git a/vendor/native_mate b/vendor/native_mate
index 21cda4e7fcff..93984941005b 160000
--- a/vendor/native_mate
+++ b/vendor/native_mate
@@ -1 +1 @@
-Subproject commit 21cda4e7fcff592f33f989c1fea575658281711d
+Subproject commit 93984941005bab194a2d47aff655d525c064efcb