diff --git a/include/usart_defs.h b/include/usart_defs.h
index 232e80276..cf6630e83 100644
--- a/include/usart_defs.h
+++ b/include/usart_defs.h
@@ -18,7 +18,7 @@
 #if defined (_WIN32)
 #define SERIAL_PORT_EXAMPLE_H   "com3"
 #elif defined(__APPLE__)
-#define SERIAL_PORT_EXAMPLE_H   "/dev/cu.usbmodem"
+#define SERIAL_PORT_EXAMPLE_H   "/dev/tty.usbmodemiceman1"
 #else
 #define SERIAL_PORT_EXAMPLE_H   "/dev/ttyACM0"
 #endif
diff --git a/proxmark3.sh b/proxmark3.sh
index be3cfd690..89e7e960b 100755
--- a/proxmark3.sh
+++ b/proxmark3.sh
@@ -21,7 +21,7 @@ function wait4proxmark_Linux {
 function wait4proxmark_macOS {
     echo >&2 "[=] Waiting for Proxmark3 to appear..."
     while true; do
-        PM3=$(find /dev/pm3-* /dev/cu.usbmodem* 2>/dev/null | head -1)
+        PM3=$(find /dev/pm3-* /dev/tty.usbmodem* 2>/dev/null | head -1)
         if [[ $PM3 != "" ]]; then
             break
         fi