diff --git a/include/libopencm3/stm32/common/timer_common_all.h b/include/libopencm3/stm32/common/timer_common_all.h
index 88c81d6d..d4fe478c 100644
--- a/include/libopencm3/stm32/common/timer_common_all.h
+++ b/include/libopencm3/stm32/common/timer_common_all.h
@@ -863,8 +863,8 @@ depending on the level of the complementary input. */
 /* Note: CC2S bits are writable only when the channel is OFF (CC2E = 0 in
  * TIMx_CCER). */
 #define TIM_CCMR2_CC4S_OUT		(0x0 << 8)
-#define TIM_CCMR2_CC4S_IN_TI2		(0x1 << 8)
-#define TIM_CCMR2_CC4S_IN_TI1		(0x2 << 8)
+#define TIM_CCMR2_CC4S_IN_TI4		(0x1 << 8)
+#define TIM_CCMR2_CC4S_IN_TI3		(0x2 << 8)
 #define TIM_CCMR2_CC4S_IN_TRC		(0x3 << 8)
 #define TIM_CCMR2_CC4S_MASK		(0x3 << 8)
 
@@ -892,8 +892,8 @@ depending on the level of the complementary input. */
 /* Note: CC2S bits are writable only when the channel is OFF (CC2E = 0 in
  * TIMx_CCER). */
 #define TIM_CCMR2_CC3S_OUT		(0x0 << 0)
-#define TIM_CCMR2_CC3S_IN_TI2		(0x1 << 0)
-#define TIM_CCMR2_CC3S_IN_TI1		(0x2 << 0)
+#define TIM_CCMR2_CC3S_IN_TI3		(0x1 << 0)
+#define TIM_CCMR2_CC3S_IN_TI4		(0x2 << 0)
 #define TIM_CCMR2_CC3S_IN_TRC		(0x3 << 0)
 #define TIM_CCMR2_CC3S_MASK		(0x3 << 0)