diff --git a/examples/config/pyvimrc b/examples/config/pyvimrc
index 6de61de..9302589 100644
--- a/examples/config/pyvimrc
+++ b/examples/config/pyvimrc
@@ -53,7 +53,7 @@ def configure(editor):
         editor_buffer = editor.current_editor_buffer
 
         if editor_buffer is not None:
-            if editor_buffer.filename is None:
+            if editor_buffer.get_display_name() is None:
                 editor.show_message("File doesn't have a filename. Please save first.")
                 return
             else:
@@ -63,7 +63,7 @@ def configure(editor):
         # `CommandLineInterface.run_in_terminal` to go to the background and
         # not destroy the window layout.
         def execute():
-            call(['python', editor_buffer.filename])
+            call(['python', editor_buffer.get_display_name()])
             six.moves.input('Press enter to continue...')
 
         editor.cli.run_in_terminal(execute)
diff --git a/pyvim/lexer.py b/pyvim/lexer.py
index 9454b40..b2e8f55 100644
--- a/pyvim/lexer.py
+++ b/pyvim/lexer.py
@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 
 from prompt_toolkit.layout.lexers import Lexer
+from pygments.lexers import get_lexer_for_mimetype
 from pygments.lexers import get_lexer_for_filename
 from pygments.token import Token
 from pygments.util import ClassNotFound
@@ -28,7 +29,14 @@ def get_tokens(self, cli, text):
             try:
                 lexer = get_lexer_for_filename(location, stripnl=False, stripall=False, ensurenl=False)
             except ClassNotFound:
-                pass
+                try:
+                    import magic
+                    mimetype = magic.from_file(location, mime=True)
+                    lexer = get_lexer_for_mimetype(mimetype)
+                except ClassNotFound:
+                    pass
+                else:
+                    return lexer.get_tokens(text)
             else:
                 return lexer.get_tokens(text)