diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Plugin.cs b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Plugin.cs
index 0db6532..a788ed5 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Plugin.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Plugin.cs
@@ -19,10 +19,12 @@ using System;
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Text;
 using System.Windows;
 using System.Windows.Threading;
 using QuickLook.Common.Plugin;
 using QuickLook.Plugin.HtmlViewer;
+using UtfUnknown;
 
 namespace QuickLook.Plugin.MarkdownViewer
 {
@@ -66,7 +68,10 @@ namespace QuickLook.Plugin.MarkdownViewer
 
         private string GenerateMarkdownHtml(string path)
         {
-            var md = File.ReadAllText(path);
+            var bytes = File.ReadAllBytes(path);
+            var encoding = CharsetDetector.DetectFromBytes(bytes).Detected?.Encoding ?? Encoding.Default;
+
+            var md = encoding.GetString(bytes);
             md = WebUtility.HtmlEncode(md);
 
             var html = Resources.md2html.Replace("{{content}}", md);
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
index a34f437..c3c9061 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
@@ -62,6 +62,9 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xaml" />
+    <Reference Include="UtfUnknown, Version=2.0.0.0, Culture=neutral, PublicKeyToken=90217ce7a23260d4, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\UTF.Unknown.2.3.0\lib\net40\UtfUnknown.dll</HintPath>
+    </Reference>
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
@@ -95,6 +98,7 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
+    <None Include="packages.config" />
     <None Include="Resources\md2html.html" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/packages.config b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/packages.config
new file mode 100644
index 0000000..08541d0
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="UTF.Unknown" version="2.3.0" targetFramework="net462" />
+</packages>
\ No newline at end of file