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-rw-r--r--findutils/grep.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/findutils/grep.c b/findutils/grep.c
index 475b4ef21..8c6797647 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -232,6 +232,8 @@ extern int grep_main(int argc, char **argv)
before_buf = (char **)calloc(lines_before, sizeof(char *));
break;
#endif /* BB_FEATURE_GREP_CONTEXT */
+ default:
+ show_usage();
}
}