diff --git a/src/tool_operate.c b/src/tool_operate.c
index 007a5e0..9bd8445 100644
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -576,14 +576,15 @@ static CURLcode post_per_transfer(struct GlobalConfig *global,
         switch(response) {
         case 408: /* Request Timeout */
         case 429: /* Too Many Requests (RFC6585) */
         case 500: /* Internal Server Error */
         case 502: /* Bad Gateway */
         case 503: /* Service Unavailable */
         case 504: /* Gateway Timeout */
+        case 522: /* Connection Timed Out (Cloudflare) */
           retry = RETRY_HTTP;
           /*
            * At this point, we have already written data to the output
            * file (or terminal). If we write to a file, we must rewind
            * or close/re-open the file so that the next attempt starts
            * over from the beginning.
            *