diff -Naur a/Python-3.4.3/Modules/nismodule.c b/Python-3.4.3/Modules/nismodule.c
--- a/Python-3.4.3/Modules/nismodule.c	2015-02-25 16:57:46.000000000 +0530
+++ b/Python-3.4.3/Modules/nismodule.c	2015-05-27 20:53:59.724563176 +0530
@@ -76,11 +76,7 @@
 
     *pfix = 0;
     for (i=0; aliases[i].alias != 0L; i++) {
-        if (!strcmp (aliases[i].alias, map)) {
-            *pfix = aliases[i].fix;
-            return aliases[i].map;
-        }
-        if (!strcmp (aliases[i].map, map)) {
+        if (!strcmp (aliases[i].alias, map) || !strcmp (aliases[i].map, map)) {
             *pfix = aliases[i].fix;
             return aliases[i].map;
         }