diff --git a/esgd.py b/esgd.py
index 6fe9374..9f00339 100755
--- a/esgd.py
+++ b/esgd.py
@@ -227,7 +227,7 @@ def parseArgs():
     parse.add_argument("-d", "--dir", default="/var/gopher",
         help="directory to host from")
     parse.add_argument("-ndx", "--direxc",
-        action="extend", nargs="*",
+        action="append", nargs="*",
         help="make directory-wide exception for file execution")
     parse.add_argument("-nx", "--nocgi", action="store_true",
         help="disable execution of cgi scripts")