diff --git a/ArduinoKeyboard.ino b/ArduinoKeyboard.ino
index 5b80bed3..63bf64f1 100644
--- a/ArduinoKeyboard.ino
+++ b/ArduinoKeyboard.ino
@@ -236,12 +236,12 @@ void send_key_events(int layer) {
         }
     }
     if (mouseActiveThisCycle) {
-            if(mouseActiveForCycles<=60) {
+            if(mouseActiveForCycles<=2400) {
             mouseActiveForCycles++;
             }
             int accel =
           //  int(log10(double( mouseActiveForCycles)))/
-            int(mouseActiveForCycles/20)+1;
+            int(mouseActiveForCycles/600)+1;
             
             ;
 
diff --git a/Makefile b/Makefile
index 9b6786a3..77eb09dd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # Arduino Make file. Refer to https://github.com/sudar/Arduino-Makefile
 
 BOARD_TAG    = micro
-MONITOR_PORT = /dev/cu.usbmodem14?1
+MONITOR_PORT = /dev/ttyACM0
 ARDUINO_LIBS = 
 
 include build/arduino-mk/Arduino.mk