diff --git a/src/main/drivers/timer_def.h b/src/main/drivers/timer_def.h
index f8ee9c5dc0..662726fbbd 100644
--- a/src/main/drivers/timer_def.h
+++ b/src/main/drivers/timer_def.h
@@ -50,6 +50,8 @@
 #define BTCH_TIM20_CH2N BTCH_TIM20_CH2
 #define BTCH_TIM20_CH3N BTCH_TIM20_CH3
 
+#define BTCH_TIM13_CH1N BTCH_TIM13_CH1
+#define BTCH_TIM14_CH1N BTCH_TIM14_CH1
 #define BTCH_TIM15_CH1N BTCH_TIM15_CH1
 #define BTCH_TIM16_CH1N BTCH_TIM16_CH1
 #define BTCH_TIM17_CH1N BTCH_TIM17_CH1
@@ -981,8 +983,8 @@
 #define DEF_TIM_AF__PF8__TCH_TIM16_CH1N   D(1, 16)
 #define DEF_TIM_AF__PF9__TCH_TIM17_CH1N   D(1, 17)
 
-#define DEF_TIM_AF__PF8__TCH_TIM13_CH1N   D(1, 13)
-#define DEF_TIM_AF__PF9__TCH_TIM14_CH1N   D(1, 14)
+#define DEF_TIM_AF__PF8__TCH_TIM13_CH1N   D(9, 13)
+#define DEF_TIM_AF__PF9__TCH_TIM14_CH1N   D(9, 14)
 
 //PORTH
 #define DEF_TIM_AF__PH6__TCH_TIM12_CH1    D(2, 12)