1 files changed, 4 insertions, 1 deletions

diff --git a/ui-plain.c b/ui-plain.c
index 5addd9e..9a9ae7d 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -31,7 +31,10 @@ static void print_object(const unsigned char *sha1, const char *path)
                 html_status(404, "Not found", 0);
                 return;
         }
-        ctx.page.mimetype = "text/plain";
+        if (buffer_is_binary(buf, size))
+                ctx.page.mimetype = "application/octet-stream";
+        else
+                ctx.page.mimetype = "text/plain";
         ctx.page.filename = fmt("%s", path);
         ctx.page.size = size;
         cgit_print_http_headers(&ctx);