diff --git a/lib/gamera_extra.py b/lib/gamera_extra.py
index e20251f..95eb564 100644
--- a/lib/gamera_extra.py
+++ b/lib/gamera_extra.py
@@ -132,7 +132,11 @@ def __init__(self, plugin, name):
         self._pixel_types = plugin.self_type.pixel_types
         self._method = None
         self.name = name
-        self.args = collections.OrderedDict()
+        if sys.version_info >= (2, 7):
+            self.args = collections.OrderedDict()
+        else:  # <no-coverage>
+            # Oh well.
+            self.args = {}
         for arg in plugin.args:
             if arg.name == 'storage format':
                 continue