diff --git a/src/Pretzel.Logic/Templating/Context/PathExtensions.cs b/src/Pretzel.Logic/Templating/Context/PathExtensions.cs
index 94274872e..642411550 100644
--- a/src/Pretzel.Logic/Templating/Context/PathExtensions.cs
+++ b/src/Pretzel.Logic/Templating/Context/PathExtensions.cs
@@ -5,7 +5,7 @@ namespace Pretzel.Logic.Templating.Context
 {
     public static class PathExtensions
     {
-        private static readonly string[] MarkdownFiles = new[] { ".md", ".mdown", ".markdown" };
+        private static readonly string[] MarkdownFiles = new[] { ".md", ".mkd", ".mkdn", ".mdown", ".markdown" };
         private static readonly string[] ImageFiles = new[] { ".png", ".gif", ".jpg" };
 
         public static bool IsMarkdownFile(this string extension)
diff --git a/src/Pretzel.Logic/Templating/Context/SiteContextGenerator.cs b/src/Pretzel.Logic/Templating/Context/SiteContextGenerator.cs
index 34fcb3167..cdf9758b2 100644
--- a/src/Pretzel.Logic/Templating/Context/SiteContextGenerator.cs
+++ b/src/Pretzel.Logic/Templating/Context/SiteContextGenerator.cs
@@ -278,7 +278,7 @@ private string RenderContent(string file, string contents, IDictionary<string, o
             try
             {
                 var contentsWithoutHeader = contents.ExcludeHeader();
-                html = string.Equals(Path.GetExtension(file), ".md", StringComparison.InvariantCultureIgnoreCase)
+                html = Path.GetExtension(file).IsMarkdownFile()
                        ? Markdown.Transform(contentsWithoutHeader)
                        : contentsWithoutHeader;
 
diff --git a/src/Pretzel.Tests/Templating/Context/SiteContextGeneratorTests.cs b/src/Pretzel.Tests/Templating/Context/SiteContextGeneratorTests.cs
index ffb824d32..d1446b3fa 100644
--- a/src/Pretzel.Tests/Templating/Context/SiteContextGeneratorTests.cs
+++ b/src/Pretzel.Tests/Templating/Context/SiteContextGeneratorTests.cs
@@ -334,5 +334,58 @@ public void site_context_pages_have_date_in_bag(string fileName, bool useDefault
 
             Assert.Equal(expectedDate, actualDate);
         }
+
+        [Fact]
+        public void site_context_generator_processes_page_markdown_mkd()
+        {
+            // arrange
+            fileSystem.AddFile(@"C:\TestSite\_posts\2012-01-01-SomeFile.mkd", new MockFileData(ToPageContent("# Title")));
+
+            // act
+            var siteContext = generator.BuildContext(@"C:\TestSite", false);
+
+            // assert
+            Assert.Equal("<h1>Title</h1>", siteContext.Posts[0].Content.Trim());
+        }
+
+        [Fact]
+        public void site_context_generator_processes_page_markdown_mkdn()
+        {
+            // arrange
+            fileSystem.AddFile(@"C:\TestSite\_posts\2012-01-01-SomeFile.mkdn", new MockFileData(ToPageContent("# Title")));
+
+            // act
+            var siteContext = generator.BuildContext(@"C:\TestSite", false);
+
+            // assert
+            Assert.Equal("<h1>Title</h1>", siteContext.Posts[0].Content.Trim());
+        }
+
+        [Fact]
+        public void site_context_generator_processes_page_markdown_mdown()
+        {
+            // arrange
+            fileSystem.AddFile(@"C:\TestSite\_posts\2012-01-01-SomeFile.mdown", new MockFileData(ToPageContent("# Title")));
+
+            // act
+            var siteContext = generator.BuildContext(@"C:\TestSite", false);
+
+            // assert
+            Assert.Equal("<h1>Title</h1>", siteContext.Posts[0].Content.Trim());
+        }
+
+        [Fact]
+        public void site_context_generator_processes_page_markdown_markdown()
+        {
+            // arrange
+            fileSystem.AddFile(@"C:\TestSite\_posts\2012-01-01-SomeFile.markdown", new MockFileData(ToPageContent("# Title")));
+
+            // act
+            var siteContext = generator.BuildContext(@"C:\TestSite", false);
+
+            // assert
+            Assert.Equal("<h1>Title</h1>", siteContext.Posts[0].Content.Trim());
+        }
+
     }
 }
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