1 files changed, 2 insertions, 2 deletions

diff --git a/tools/idevicedate.c b/tools/idevicedate.c
index 97243bb..2676880 100644
--- a/tools/idevicedate.c
+++ b/tools/idevicedate.c
@@ -50,7 +50,7 @@ static void print_usage(int argc, char **argv)
         printf("NOTE: Setting the time on iOS 6 and later is only supported\n");
         printf("      in the setup wizard screens before device activation.\n\n");
         printf("  -d, --debug\t\tenable communication debugging\n");
-        printf("  -u, --udid UDID\ttarget specific device by its 40-digit device UDID\n");
+        printf("  -u, --udid UDID\ttarget specific device by UDID\n");
         printf("  -s, --set TIMESTAMP\tset UTC time described by TIMESTAMP\n");
         printf("  -c, --sync\t\tset time of device to current system time\n");
         printf("  -h, --help\t\tprints usage information\n");
@@ -84,7 +84,7 @@ int main(int argc, char *argv[])
                 }
                 else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--udid")) {
                         i++;
-                        if (!argv[i] || (strlen(argv[i]) != 40)) {
+                        if (!argv[i] || !*argv[i]) {
                                 print_usage(argc, argv);
                                 return 0;
                         }