diff --git a/brightray/browser/win/notification_presenter_win.cc b/brightray/browser/win/notification_presenter_win.cc
index 447125f39117..29534d94beee 100644
--- a/brightray/browser/win/notification_presenter_win.cc
+++ b/brightray/browser/win/notification_presenter_win.cc
@@ -5,11 +5,15 @@
 
 #include "browser/win/notification_presenter_win.h"
 
+#include "base/files/file_util.h"
+#include "base/md5.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/win/windows_version.h"
 #include "browser/win/windows_toast_notification.h"
 #include "content/public/browser/desktop_notification_delegate.h"
 #include "content/public/common/platform_notification_data.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/gfx/codec/png_codec.h"
 
 #pragma comment(lib, "runtimeobject.lib")
 
@@ -17,6 +21,16 @@ namespace brightray {
 
 namespace {
 
+bool SaveIconToPath(const SkBitmap& bitmap, const base::FilePath& path) {
+  std::vector<unsigned char> png_data;
+  if (!gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, false, &png_data))
+    return false;
+
+  char* data = reinterpret_cast<char*>(&png_data[0]);
+  int size = static_cast<int>(png_data.size());
+  return base::WriteFile(path, data, size) == size;
+}
+
 void RemoveNotification(base::WeakPtr<WindowsToastNotification> notification) {
   if (notification)
     notification->DismissNotification();
@@ -26,10 +40,12 @@ void RemoveNotification(base::WeakPtr<WindowsToastNotification> notification) {
 
 // static
 NotificationPresenter* NotificationPresenter::Create() {
-  if (WindowsToastNotification::Initialize())
-    return new NotificationPresenterWin;
-  else
+  if (!WindowsToastNotification::Initialize())
     return nullptr;
+  scoped_ptr<NotificationPresenterWin> presenter(new NotificationPresenterWin);
+  if (!presenter->Init())
+    return nullptr;
+  return presenter.release();
 }
 
 NotificationPresenterWin::NotificationPresenterWin() {
@@ -38,6 +54,10 @@ NotificationPresenterWin::NotificationPresenterWin() {
 NotificationPresenterWin::~NotificationPresenterWin() {
 }
 
+bool NotificationPresenterWin::Init() {
+  return temp_dir_.CreateUniqueTempDir();
+}
+
 void NotificationPresenterWin::ShowNotification(
     const content::PlatformNotificationData& data,
     const SkBitmap& icon,
@@ -45,7 +65,8 @@ void NotificationPresenterWin::ShowNotification(
     base::Closure* cancel_callback) {
   // This class manages itself.
   auto notification = new WindowsToastNotification(delegate.Pass());
-  notification->ShowNotification(data.title, data.body, data.icon.spec());
+  notification->ShowNotification(
+      data.title, data.body, SaveIconToFilesystem(icon, data.icon));
 
   if (cancel_callback) {
     *cancel_callback = base::Bind(
@@ -53,4 +74,15 @@ void NotificationPresenterWin::ShowNotification(
   }
 }
 
+std::wstring NotificationPresenterWin::SaveIconToFilesystem(
+    const SkBitmap& icon, const GURL& origin) {
+  std::string filename = base::MD5String(origin.spec()) + ".png";
+  base::FilePath path = temp_dir_.path().Append(base::UTF8ToUTF16(filename));
+  if (base::PathExists(path))
+    return path.value();
+  if (SaveIconToPath(icon, path))
+    return path.value();
+  return base::UTF8ToUTF16(origin.spec());
+}
+
 }  // namespace brightray
diff --git a/brightray/browser/win/notification_presenter_win.h b/brightray/browser/win/notification_presenter_win.h
index 5bc84feb92af..21152c9cab9f 100644
--- a/brightray/browser/win/notification_presenter_win.h
+++ b/brightray/browser/win/notification_presenter_win.h
@@ -16,8 +16,13 @@
 #ifndef BRIGHTRAY_BROWSER_WIN_NOTIFICATION_PRESENTER_WIN_H_
 #define BRIGHTRAY_BROWSER_WIN_NOTIFICATION_PRESENTER_WIN_H_
 
+#include <string>
+
+#include "base/files/scoped_temp_dir.h"
 #include "browser/notification_presenter.h"
 
+class GURL;
+
 namespace brightray {
 
 class NotificationPresenterWin : public NotificationPresenter {
@@ -25,6 +30,8 @@ class NotificationPresenterWin : public NotificationPresenter {
   NotificationPresenterWin();
   ~NotificationPresenterWin();
 
+  bool Init();
+
   void ShowNotification(
       const content::PlatformNotificationData&,
       const SkBitmap& icon,
@@ -32,6 +39,10 @@ class NotificationPresenterWin : public NotificationPresenter {
       base::Closure* cancel_callback) override;
 
  private:
+  std::wstring SaveIconToFilesystem(const SkBitmap& icon, const GURL& origin);
+
+  base::ScopedTempDir temp_dir_;
+
   DISALLOW_COPY_AND_ASSIGN(NotificationPresenterWin);
 };
 
diff --git a/brightray/browser/win/windows_toast_notification.cc b/brightray/browser/win/windows_toast_notification.cc
index 58b4756fed91..f2d77edf6775 100644
--- a/brightray/browser/win/windows_toast_notification.cc
+++ b/brightray/browser/win/windows_toast_notification.cc
@@ -72,7 +72,7 @@ WindowsToastNotification::~WindowsToastNotification() {
 void WindowsToastNotification::ShowNotification(
     const std::wstring& title,
     const std::wstring& msg,
-    std::string icon_path) {
+    const std::wstring& icon_path) {
   ComPtr<IXmlDocument> toast_xml;
   if(FAILED(GetToastXml(toast_manager_.Get(), title, msg, icon_path, &toast_xml)))
     return;
@@ -122,7 +122,7 @@ bool WindowsToastNotification::GetToastXml(
     ABI::Windows::UI::Notifications::IToastNotificationManagerStatics* toastManager,
     const std::wstring& title,
     const std::wstring& msg,
-    std::string icon_path,
+    const std::wstring& icon_path,
     IXmlDocument** toast_xml) {
   ABI::Windows::UI::Notifications::ToastTemplateType template_type;
   if (title.empty() || msg.empty()) {
@@ -185,7 +185,7 @@ bool WindowsToastNotification::SetXmlText(
 }
 
 bool WindowsToastNotification::SetXmlImage(
-    IXmlDocument* doc, std::string icon_path) {
+    IXmlDocument* doc, const std::wstring& icon_path) {
   ScopedHString tag(L"image");
   if (!tag.success())
     return false;
@@ -210,7 +210,7 @@ bool WindowsToastNotification::SetXmlImage(
   if (FAILED(attrs->GetNamedItem(src, &src_attr)))
     return false;
 
-  ScopedHString img_path(base::UTF8ToUTF16(icon_path).c_str());
+  ScopedHString img_path(icon_path.c_str());
   if (!img_path.success())
     return false;
 
diff --git a/brightray/browser/win/windows_toast_notification.h b/brightray/browser/win/windows_toast_notification.h
index acae591bc478..a5c0a3d1d249 100644
--- a/brightray/browser/win/windows_toast_notification.h
+++ b/brightray/browser/win/windows_toast_notification.h
@@ -42,7 +42,7 @@ class WindowsToastNotification {
 
   void ShowNotification(const std::wstring& title,
                         const std::wstring& msg,
-                        std::string icon_path);
+                        const std::wstring& icon_path);
   void DismissNotification();
 
   base::WeakPtr<WindowsToastNotification> GetWeakPtr() {
@@ -59,7 +59,7 @@ class WindowsToastNotification {
   bool GetToastXml(ABI::Windows::UI::Notifications::IToastNotificationManagerStatics* toastManager,
                    const std::wstring& title,
                    const std::wstring& msg,
-                   std::string icon_path,
+                   const std::wstring& icon_path,
                    ABI::Windows::Data::Xml::Dom::IXmlDocument** toastXml);
   bool SetXmlText(ABI::Windows::Data::Xml::Dom::IXmlDocument* doc,
                   const std::wstring& text);
@@ -67,7 +67,7 @@ class WindowsToastNotification {
                   const std::wstring& title,
                   const std::wstring& body);
   bool SetXmlImage(ABI::Windows::Data::Xml::Dom::IXmlDocument* doc,
-                   std::string icon_path);
+                   const std::wstring& icon_path);
   bool GetTextNodeList(ScopedHString* tag,
                        ABI::Windows::Data::Xml::Dom::IXmlDocument* doc,
                        ABI::Windows::Data::Xml::Dom::IXmlNodeList** nodeList,