1 files changed, 5 insertions, 4 deletions

diff --git a/archival/gunzip.c b/archival/gunzip.c
index 97ab84e2d..bdf8dc293 100644
--- a/archival/gunzip.c
+++ b/archival/gunzip.c
@@ -715,11 +715,12 @@ int gunzip_main(int argc, char **argv)
         char ifname[MAX_PATH_LEN + 1];  /* input file name */
         char ofname[MAX_PATH_LEN + 1];  /* output file name */
 
-        if (argc == 1)
-                usage(gunzip_usage);
-
-        if (strcmp(*argv, "zcat") == 0)
+        if (strcmp(*argv, "zcat") == 0) {
                 to_stdout = 1;
+                if (argc == 1) {
+                        fromstdin = 1;
+                }
+        }
 
         /* Parse any options */
         while (--argc > 0 && **(++argv) == '-') {