diff --git a/lib/easy.c b/lib/easy.c
index 995328e1de5f6b637382c503e8c5ab0ee8ce17e3..d84ecf541c395178a3354b35ad111e32bfd30463 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -539,9 +539,7 @@ CURLcode curl_easy_perform(CURL *easy)
         if(curlx_tvdiff(after, before) <= 10) {
           without_fds++;
           if(without_fds > 2) {
-            int sleep_ms = without_fds * 50;
-            if(sleep_ms > 1000)
-              sleep_ms = 1000;
+            int sleep_ms = without_fds < 10 ? (1 << (without_fds-1)): 1000;
             Curl_wait_ms(sleep_ms);
           }
         }