diff --git a/boards/arm/stm32l4/nucleo-l432kc/include/board.h b/boards/arm/stm32l4/nucleo-l432kc/include/board.h
index 46daa2d4f15..53e92e6de9a 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/include/board.h
+++ b/boards/arm/stm32l4/nucleo-l432kc/include/board.h
@@ -227,14 +227,20 @@
 /* PWM output for full bridge, uses config 1, because port E is N/A on QFP64
  * CH1     | 1(A8) 2(E9)
  * CH2     | 1(A9) 2(E11)
+ * CH3     | 1(A10) 2(E10)
+ * CH4     | 1(A11) 2(E14)
  * CHN1    | 1(A7) 2(B13) 3(E8)
  * CHN2    | 1(B0) 2(B14) 3(E10)
+ * CHN3    | 1(B1) 2(B15) 3(E12)
  */
 
 #define GPIO_TIM1_CH1OUT  GPIO_TIM1_CH1OUT_1
 #define GPIO_TIM1_CH1NOUT GPIO_TIM1_CH1N_1
 #define GPIO_TIM1_CH2OUT  GPIO_TIM1_CH2OUT_1
 #define GPIO_TIM1_CH2NOUT GPIO_TIM1_CH2N_1
+#define GPIO_TIM1_CH3OUT GPIO_TIM1_CH3OUT_1
+#define GPIO_TIM1_CH3NOUT GPIO_TIM1_CH3OUT_1
+#define GPIO_TIM1_CH4OUT GPIO_TIM1_CH4OUT_1
 
 /* LPTIM2 PWM output
  * REVISIT : Add support for the other clock sources, LSE, LSI and HSI