X-Git-Url: https://jxself.org/git/?p=zilutils.git;a=blobdiff_plain;f=zilasm%2Fmain.c;fp=zilasm%2Fmain.c;h=d9b17b24c37648c7639ed027c98ffabc5d4f2195;hp=97c455863449914416a58eda9b9e4e124a2703db;hb=1fe17d9d379f16c0f30944e7404b13423fa60439;hpb=11b23c19f71a1dd4ea9916e71632ce251213dbb4

diff --git a/zilasm/main.c b/zilasm/main.c
index 97c4558..d9b17b2 100644
--- a/zilasm/main.c
+++ b/zilasm/main.c
@@ -128,16 +128,17 @@ void parse_zserial(void)
     if (n == sizeof(Config.zserial) - 1)
     {
         char *p = optarg;
-        while (*p && isdigit(*p)) p++;
+        while (*p && isalnum(*p))
+            p++;
 
-        if (!*p) /* ..optarg contains digits only? */
+        if (!*p) /* ..optarg contains alphanumeric only? */
         {
             strncpy(Config.zserial, optarg, sizeof(Config.zserial));
             return;
         }
     }
 
-    fprintf(stderr, "Wrong zserial value %s, must be 6 digits in yymmdd format\n", optarg);
+    fprintf(stderr, "Wrong zserial value %s, must be 6 ASCII characters\n", optarg);
     wrong_arg();
 }