diff --git a/atomicwrites/__init__.py b/atomicwrites/__init__.py
index b342db6..1859e83 100644
--- a/atomicwrites/__init__.py
+++ b/atomicwrites/__init__.py
@@ -165,8 +165,8 @@ def _open(self, get_fileobject):
                 except Exception:
                     pass
 
-    def get_fileobject(self, suffix="", prefix=tempfile.gettempprefix(), dir=None,
-                       **kwargs):
+    def get_fileobject(self, suffix="", prefix=tempfile.gettempprefix(),
+                       dir=None, **kwargs):
         '''Return the temporary file to use.'''
         if dir is None:
             dir = os.path.normpath(os.path.dirname(self._path))