diff --git a/imap-send.c b/imap-send.c
index 938c691585..7dd5acf9a9 100644
--- a/imap-send.c
+++ b/imap-send.c
@@ -1410,6 +1410,7 @@ static CURL *setup_curl(struct imap_server_conf *srvc)
 	curl_easy_setopt(curl, CURLOPT_USERNAME, server.user);
 	curl_easy_setopt(curl, CURLOPT_PASSWORD, server.pass);
 
+	strbuf_addstr(&path, server.use_ssl ? "imaps://" : "imap://");
 	strbuf_addstr(&path, server.host);
 	if (!path.len || path.buf[path.len - 1] != '/')
 		strbuf_addch(&path, '/');