diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 27bc5742f6c..c7a60b6916d 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -750,7 +750,7 @@ A more realistic example would look like this::
            print >>sys.stderr, "Child was terminated by signal", -retcode
        else:
            print >>sys.stderr, "Child returned", retcode
-   except OSError, e:
+   except OSError as e:
        print >>sys.stderr, "Execution failed:", e