diff --git a/transportsender.hpp b/transportsender.hpp
index 5d850e9..fbbd7da 100644
--- a/transportsender.hpp
+++ b/transportsender.hpp
@@ -19,10 +19,10 @@ namespace Network {
   {
   private:
     /* timing parameters */
-    static const int SEND_INTERVAL_MIN = 20; /* ms between frames */
+    static const int SEND_INTERVAL_MIN = 25; /* ms between frames */
     static const int SEND_INTERVAL_MAX = 250; /* ms between frames */
     static const int ACK_INTERVAL = 3000; /* ms between empty acks */
-    static const int ACK_DELAY = 10; /* ms before delayed ack */
+    static const int ACK_DELAY = 20; /* ms before delayed ack */
     static const int SEND_MINDELAY = 20; /* ms to collect all input */
     static const int SHUTDOWN_RETRIES = 3; /* number of shutdown packets to send before giving up */