1 files changed, 1 insertions, 6 deletions

diff --git a/coreutils/install.c b/coreutils/install.c
index 345e75af0..e22dda6f9 100644
--- a/coreutils/install.c
+++ b/coreutils/install.c
@@ -64,15 +64,10 @@ extern int install_main(int argc, char **argv)
         int i;
 
         bb_applet_long_options = install_long_options;
-        bb_opt_complementaly = "s~d:d~s";
+        bb_opt_complementally = "!s~d:d~s";
         /* -c exists for backwards compatability, its needed */
         flags = bb_getopt_ulflags(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str);     /* 'a' must be 2nd */
 
-        /* Check valid options were given */
-        if(flags & BB_GETOPT_ERROR) {
-                bb_show_usage();
-        }
-
         /* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */
         if (flags & INSTALL_OPT_PRESERVE_TIME) {
                 copy_flags |= FILEUTILS_PRESERVE_STATUS;