diff --git a/lib/coderay/helpers/file_type.rb b/lib/coderay/helpers/file_type.rb
index 637001b8..f52f17e3 100644
--- a/lib/coderay/helpers/file_type.rb
+++ b/lib/coderay/helpers/file_type.rb
@@ -99,6 +99,7 @@ def shebang filename
       'mab'      => :ruby,
       'pas'      => :delphi,
       'patch'    => :diff,
+      'phtml'    => :php,
       'php'      => :php,
       'php3'     => :php,
       'php4'     => :php,