diff --git a/lib/html/pipeline/emoji_filter.rb b/lib/html/pipeline/emoji_filter.rb
index 78843376..343e6bc6 100644
--- a/lib/html/pipeline/emoji_filter.rb
+++ b/lib/html/pipeline/emoji_filter.rb
@@ -18,7 +18,7 @@ def call
         search_text_nodes(doc).each do |node|
           content = node.to_html
           next unless content.include?(':')
-          next if has_ancestor?(node, %w(pre code))
+          next if has_ancestor?(node, %w(pre code tt))
           html = emoji_image_filter(content)
           next if html == content
           node.replace(html)
diff --git a/test/html/pipeline/emoji_filter_test.rb b/test/html/pipeline/emoji_filter_test.rb
index 298775ed..14d5c991 100644
--- a/test/html/pipeline/emoji_filter_test.rb
+++ b/test/html/pipeline/emoji_filter_test.rb
@@ -33,4 +33,25 @@ def test_custom_asset_path
     doc = filter.call
     assert_match "https://foo.com/%2B1.png", doc.search('img').attr('src').value
   end
+
+  def test_not_emojify_in_code_tags
+    body = "<code>:shipit:</code>"
+    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com'})
+	doc = filter.call
+	assert_equal body, doc.to_html
+  end
+
+  def test_not_emojify_in_tt_tags
+    body = "<tt>:shipit:</tt>"
+    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com'})
+	doc = filter.call
+	assert_equal body, doc.to_html
+  end
+
+  def test_not_emojify_in_pre_tags
+    body = "<pre>:shipit:</pre>"
+    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com'})
+	doc = filter.call
+	assert_equal body, doc.to_html
+  end
 end