diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PeripheralPins.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PeripheralPins.c
index bb555ca3b7..ca4d335efa 100644
--- a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PeripheralPins.c
+++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PeripheralPins.c
@@ -120,6 +120,6 @@ const PinMap PinMap_PWM[] = {
     {P0_19   , PWM_3,  4},
     {P0_22   , PWM_4,  4},
     {P0_28   , PWM_8,  4},
-    {P0_29   , PWM_9,  4},
+    {P1_31   , PWM_7,  4},
     {NC      , NC,     0}
 };
diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PinNames.h b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PinNames.h
index bc22e8e4bc..c51fe2c23c 100644
--- a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PinNames.h
+++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_FF_LPC546XX/PinNames.h
@@ -183,9 +183,9 @@ typedef enum {
 
 
     // mbed original LED naming
-    LED1 = P0_13,
+    LED1 = P1_3,
     LED2 = P1_27,
-    LED3 = P0_14,
+    LED3 = P1_26,
     LED4 = P1_28,
 
 
@@ -223,7 +223,7 @@ typedef enum {
     p23 = P0_19,
     p24 = P0_22,
     p25 = P0_28,
-    p26 = P0_29,
+    p26 = P1_31,
     p27 = P1_30,
     p28 = P1_29,
     p29 = P0_0,