diff --git a/src/led.cpp b/src/led.cpp
index 59965dce..76195523 100644
--- a/src/led.cpp
+++ b/src/led.cpp
@@ -122,7 +122,18 @@ void ledLoop(void *parameter) {
         LEDState =
             ((millis() % 200) < 20) ? LED_ON : LED_OFF; // TX data pending
       } else if (LMIC.opmode & (OP_TXDATA | OP_TXRXPEND)) {
-        LEDColor = COLOR_BLUE;
+        // select color to blink by message port
+        switch (LMIC.pendTxPort) {
+        case STATUSPORT:
+          LEDColor = COLOR_RED;
+          break;
+        case CONFIGPORT:
+          LEDColor = COLOR_CYAN;
+          break;
+        default:
+          LEDColor = COLOR_BLUE;
+          break;
+        }
         // small blink 10ms on each 1/2sec (not when joining)
         LEDState = ((millis() % 500) < 10) ? LED_ON : LED_OFF;
         // This should not happen so indicate a problem
diff --git a/src/paxcounter.conf b/src/paxcounter.conf
index 28264cb8..8c5749d5 100644
--- a/src/paxcounter.conf
+++ b/src/paxcounter.conf
@@ -53,7 +53,7 @@
 #define COUNTERPORT                     1       // Port on which device sends counts
 #define RCMDPORT                        2       // Port on which device listenes for remote commands
 #define STATUSPORT                      2       // Port on which device sends remote command results
-#define CONFIGPORT                      3       // Port on which device sends gps query results
+#define CONFIGPORT                      3       // Port on which device sends config query results
 #define GPSPORT                         4       // Port on which device sends gps query results
 #define BUTTONPORT                      5       // Port on which device sends button pressed signal
 #define LPP1PORT                        1       // Port for Cayenne LPP 1.0 dynamic sensor encoding