1 files changed, 4 insertions, 2 deletions

diff --git a/miscutils/readahead.c b/miscutils/readahead.c
index fb71ce85f..f3b21a2fc 100644
--- a/miscutils/readahead.c
+++ b/miscutils/readahead.c
@@ -13,11 +13,13 @@
 #include "libbb.h"
 
 int readahead_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int readahead_main(int argc, char **argv)
+int readahead_main(int argc UNUSED_PARAM, char **argv)
 {
         int retval = EXIT_SUCCESS;
 
-        if (argc == 1) bb_show_usage();
+        if (!argv[1]) {
+                bb_show_usage();
+        }
 
         while (*++argv) {
                 int fd = open_or_warn(*argv, O_RDONLY);