diff --git a/client/cmdhw.c b/client/cmdhw.c
index 8cff17552..64528006a 100644
--- a/client/cmdhw.c
+++ b/client/cmdhw.c
@@ -57,7 +57,7 @@ static int usage_hw_connect(void) {
     PrintAndLogEx(NORMAL, "           <port>   serial port to connect to");
     PrintAndLogEx(NORMAL, "");
     PrintAndLogEx(NORMAL, "Examples:");
-    PrintAndLogEx(NORMAL, "      hw connect "SERIAL_PORT_H);
+    PrintAndLogEx(NORMAL, "      hw connect "SERIAL_PORT_EXAMPLE_H);
     return PM3_SUCCESS;
 }
 
diff --git a/client/flasher.c b/client/flasher.c
index 844b7accf..80b59d90d 100644
--- a/client/flasher.c
+++ b/client/flasher.c
@@ -25,7 +25,7 @@
 static void usage(char *argv0) {
     PrintAndLogEx(NORMAL, "Usage:   %s <port> [-b] image.elf [image.elf...]\n", argv0);
     PrintAndLogEx(NORMAL, "\t-b\tEnable flashing of bootloader area (DANGEROUS)\n");
-    PrintAndLogEx(NORMAL, "\nExample:\n\n\t %s "SERIAL_PORT_H" armsrc/obj/fullimage.elf", argv0);
+    PrintAndLogEx(NORMAL, "\nExample:\n\n\t %s "SERIAL_PORT_EXAMPLE_H" armsrc/obj/fullimage.elf", argv0);
 #ifdef __linux__
     PrintAndLogEx(NORMAL, "\nNote (Linux): if the flasher gets stuck in 'Waiting for Proxmark3 to reappear on <DEVICE>',");
     PrintAndLogEx(NORMAL, "              you need to blacklist Proxmark3 for modem-manager - see wiki for more details:\n");
diff --git a/client/proxmark3.c b/client/proxmark3.c
index 1543c7f6e..ffbe344e2 100644
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -276,15 +276,15 @@ static void show_help(bool showFullHelp, char *exec_name) {
         PrintAndLogEx(NORMAL, "\nsamples:");
         PrintAndLogEx(NORMAL, "      %s -h\n", exec_name);
         PrintAndLogEx(NORMAL, "      %s -m\n", exec_name);
-        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_H" -f             -- flush output everytime\n", exec_name);
-        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_H" -w             -- wait for serial port\n", exec_name);
+        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_EXAMPLE_H" -f             -- flush output everytime\n", exec_name);
+        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_EXAMPLE_H" -w             -- wait for serial port\n", exec_name);
         PrintAndLogEx(NORMAL, "\n  how to run Proxmark3 client\n");
-        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_H"                -- runs the pm3 client\n", exec_name);
+        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_EXAMPLE_H"                -- runs the pm3 client\n", exec_name);
         PrintAndLogEx(NORMAL, "      %s                             -- runs the pm3 client in OFFLINE mode\n", exec_name);
         PrintAndLogEx(NORMAL, "\n  how to execute different commands from terminal\n");
-        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_H" -c \"hf mf chk 1* ?\"   -- execute cmd and quit client\n", exec_name);
-        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_H" -l hf_read            -- execute lua script " _YELLOW_("`hf_read`")"and quit client\n", exec_name);
-        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_H" -s mycmds.txt         -- execute each pm3 cmd in file and quit client\n", exec_name);
+        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_EXAMPLE_H" -c \"hf mf chk 1* ?\"   -- execute cmd and quit client\n", exec_name);
+        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_EXAMPLE_H" -l hf_read            -- execute lua script " _YELLOW_("`hf_read`")"and quit client\n", exec_name);
+        PrintAndLogEx(NORMAL, "      %s "SERIAL_PORT_EXAMPLE_H" -s mycmds.txt         -- execute each pm3 cmd in file and quit client\n", exec_name);
     }
 }
 
diff --git a/uart/uart.h b/uart/uart.h
index efd582c0b..b359d6af2 100644
--- a/uart/uart.h
+++ b/uart/uart.h
@@ -45,11 +45,11 @@
 
 
 #if defined (_WIN32)
-#define SERIAL_PORT_H   "com3"
+#define SERIAL_PORT_EXAMPLE_H   "com3"
 #elif defined(__APPLE__)
-#define SERIAL_PORT_H   "/dev/cu.usbmodem"
+#define SERIAL_PORT_EXAMPLE_H   "/dev/cu.usbmodem"
 #else
-#define SERIAL_PORT_H   "/dev/ttyACM0"
+#define SERIAL_PORT_EXAMPLE_H   "/dev/ttyACM0"
 #endif
 
 /* serial_port is declared as a void*, which you should cast to whatever type