diff --git a/mode/python.py b/mode/python.py
index b11a4f6..cf886c9 100644
--- a/mode/python.py
+++ b/mode/python.py
@@ -562,7 +562,7 @@ class Python(mode.Fundamental):
     name        = 'Python'
     extensions  = ['.py']
     #detection   = ['python']
-    detection   = [re.compile('^#!(?:.+/)python')]
+    detection   = [re.compile('^#!(?:.+[/ ])python')]
     tabbercls   = PythonTabber
     grammar     = PythonGrammar
     opentokens  = ('delimiter',)