2 files changed, 10 insertions, 1 deletions

diff --git a/ui-blob.c b/ui-blob.c
index 3cda03d..2ccd31d 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -24,13 +24,13 @@ static int walk_tree(const unsigned char *sha1, const char *base,int baselen,
 
 void cgit_print_blob(const char *hex, char *path, const char *head)
 {
 
 	unsigned char sha1[20];
 	enum object_type type;
-	unsigned char *buf;
+	char *buf;
 	unsigned long size;
 	struct commit *commit;
 	const char *paths[] = {path, NULL};
 
 	if (hex) {
 		if (get_sha1_hex(hex, sha1)){
@@ -64,10 +64,16 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
 		cgit_print_error(fmt("Error reading object %s", hex));
 		return;
 	}
 
 	buf[size] = '\0';
 	ctx.page.mimetype = ctx.qry.mimetype;
+	if (!ctx.page.mimetype) {
+		if (buffer_is_binary(buf, size))
+			ctx.page.mimetype = "application/octet-stream";
+		else
+			ctx.page.mimetype = "text/plain";
+	}
 	ctx.page.filename = path;
 	cgit_print_http_headers(&ctx);
 	write(htmlfd, buf, size);
 }
diff --git a/ui-plain.c b/ui-plain.c
index 5addd9e..9a9ae7d 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -28,12 +28,15 @@ static void print_object(const unsigned char *sha1, const char *path)
 
 	buf = read_sha1_file(sha1, &type, &size);
 	if (!buf) {
 		html_status(404, "Not found", 0);
 		return;
 	}
+	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);
 	html_raw(buf, size);
 	match = 1;