1 files changed, 5 insertions, 1 deletions

diff --git a/src/ideviceinstaller.c b/src/ideviceinstaller.c
index 59a6b38..04aa858 100644
--- a/src/ideviceinstaller.c
+++ b/src/ideviceinstaller.c
@@ -412,7 +412,11 @@ static void parse_opts(int argc, char **argv)
                 }
         }
 
-        if (optind <= 1 || (argc - optind > 0)) {
+        if (cmd == CMD_NONE) {
+                printf("ERROR: No mode/operation was supplied.\n");
+        }
+
+        if (cmd == CMD_NONE || optind <= 1 || (argc - optind > 0)) {
                 print_usage(argc, argv);
                 exit(2);
         }