diff --git a/src/gmni.c b/src/gmni.c
index 000a56550a686928f84e2c301c9017a8c48b3d68..61f41e29c324d980bd3a1f270e78649cdcec88e0 100644
--- a/src/gmni.c
+++ b/src/gmni.c
@@ -315,7 +315,7 @@ ret = download_resp(stderr, resp, output_file, url);
break;
}
- char last;
+ char last = 0;
char buf[BUFSIZ];
for (int n = 1; n > 0;) {
n = BIO_read(resp.bio, buf, BUFSIZ);