diff --git a/scripts/qapi.py b/scripts/qapi.py
index 0265b40..86e9608 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -116,7 +116,7 @@
                     continue
                 try:
                     fobj = open(include_path, 'r')
-                except IOError as e:
+                except IOError, e:
                     raise QAPIExprError(expr_info,
                                         '%s: %s' % (e.strerror, include))
                 exprs_include = QAPISchema(fobj, include, self.include_hist,