diff --git a/httplib.h b/httplib.h
index e25fa2a860..980a8b1f27 100644
--- a/httplib.h
+++ b/httplib.h
@@ -3308,6 +3308,8 @@ inline bool keep_alive(const std::atomic<socket_t> &svr_sock, socket_t sock,
     } else {
       return true; // Ready for read
     }
+
+    std::this_thread::sleep_for(microseconds{interval_usec});
   }
 
   return false;