1 files changed, 2 insertions, 2 deletions

diff --git a/tools/ideviceenterrecovery.c b/tools/ideviceenterrecovery.c
index 21c4ff6..69484cc 100644
--- a/tools/ideviceenterrecovery.c
+++ b/tools/ideviceenterrecovery.c
@@ -37,7 +37,7 @@ static void print_usage(int argc, char **argv)
 
         name = strrchr(argv[0], '/');
         printf("Usage: %s [OPTIONS] UDID\n", (name ? name + 1: argv[0]));
-        printf("Makes a device with the supplied 40-digit UDID enter recovery mode immediately.\n\n");
+        printf("Makes a device with the supplied UDID enter recovery mode immediately.\n\n");
         printf("  -d, --debug\t\tenable communication debugging\n");
         printf("  -h, --help\t\tprints usage information\n");
         printf("\n");
@@ -66,7 +66,7 @@ int main(int argc, char *argv[])
         }
 
         i--;
-        if (!argv[i] || (strlen(argv[i]) != 40)) {
+        if (argc < 2 || !argv[i] || !*argv[i]) {
                 print_usage(argc, argv);
                 return 0;
         }