diff --git a/lib/ntlm/test_ntlm.c b/lib/ntlm/test_ntlm.c
index 5a995adae..93fbed7bf 100644
--- a/lib/ntlm/test_ntlm.c
+++ b/lib/ntlm/test_ntlm.c
@@ -342,11 +342,11 @@ usage (int ret)
 int
 main(int argc, char **argv)
 {
-    int ret = 0, optind = 0;
+    int ret = 0, optidx = 0;
 
     setprogname(argv[0]);
 
-    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
+    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 	usage(1);
 
     if (help_flag)
@@ -357,8 +357,8 @@ main(int argc, char **argv)
 	exit(0);
     }
 
-    argc -= optind;
-    argv += optind;
+    argc -= optidx;
+    argv += optidx;
 
     if (verbose_flag)
 	printf("test_parse\n");