diff --git a/lib/jekyll/entry_filter.rb b/lib/jekyll/entry_filter.rb
index 4f527eddf57..a7ece1932c5 100644
--- a/lib/jekyll/entry_filter.rb
+++ b/lib/jekyll/entry_filter.rb
@@ -98,7 +98,8 @@ def glob_include?(enumerator, entry)
           pattern_with_source = PathManager.join(site.source, pattern)
 
           File.fnmatch?(pattern_with_source, entry_with_source) ||
-            entry_with_source.start_with?(pattern_with_source)
+            entry_with_source.start_with?(pattern_with_source) ||
+            (pattern_with_source == "#{entry_with_source}/" if File.directory?(entry_with_source))
         when Regexp
           pattern.match?(entry_with_source)
         else
diff --git a/test/source/_glob_include_test/_is_dir/include_me.txt b/test/source/_glob_include_test/_is_dir/include_me.txt
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/test/source/_glob_include_test/_not_dir b/test/source/_glob_include_test/_not_dir
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/test/test_entry_filter.rb b/test/test_entry_filter.rb
index b3d820e0693..8d7b154d2ab 100644
--- a/test/test_entry_filter.rb
+++ b/test/test_entry_filter.rb
@@ -149,5 +149,12 @@ class TestEntryFilter < JekyllUnitTest
       assert @filter.glob_include?(data, "vendor/bundle/jekyll/lib/page.rb")
       assert @filter.glob_include?(data, "/vendor/ruby/lib/set.rb")
     end
+
+    should "match directory only if there is trailing slash" do
+      data = ["_glob_include_test/_is_dir/", "_glob_include_test/_not_dir/"]
+      assert @filter.glob_include?(data, "_glob_include_test/_is_dir")
+      assert @filter.glob_include?(data, "_glob_include_test/_is_dir/include_me.txt")
+      refute @filter.glob_include?(data, "_glob_include_test/_not_dir")
+    end
   end
 end