1 files changed, 1 insertions, 1 deletions

diff --git a/grep.c b/grep.c
index a374e114d..ac55f19d1 100644
--- a/grep.c
+++ b/grep.c
@@ -167,7 +167,7 @@ extern int grep_main(int argc, char **argv)
 
         /* If no files were specified, take input from stdin. Otherwise, we grep
          * through all the files specified. */
-        if (argv[optind+1] == NULL) {
+        if (argv[optind+1] == NULL || (strcmp(argv[optind+1], "-") == 0)) {
                 grep_file(stdin);
         } else {
                 int i;