diff --git a/include/libopencm3/stm32/common/exti_common_all.h b/include/libopencm3/stm32/common/exti_common_all.h
index ff402790..339ebf52 100644
--- a/include/libopencm3/stm32/common/exti_common_all.h
+++ b/include/libopencm3/stm32/common/exti_common_all.h
@@ -58,15 +58,15 @@
 #define EXTI19				(1 << 19)
 
 /* Trigger types */
-typedef enum trigger_e {
+enum exti_trigger_type {
 	EXTI_TRIGGER_RISING,
 	EXTI_TRIGGER_FALLING,
 	EXTI_TRIGGER_BOTH,
-} exti_trigger_type;
+};
 
 BEGIN_DECLS
 
-void exti_set_trigger(uint32_t extis, exti_trigger_type trig);
+void exti_set_trigger(uint32_t extis, enum exti_trigger_type trig);
 void exti_enable_request(uint32_t extis);
 void exti_disable_request(uint32_t extis);
 void exti_reset_request(uint32_t extis);
diff --git a/lib/stm32/exti.c b/lib/stm32/exti.c
index f571edda..52bfdec6 100644
--- a/lib/stm32/exti.c
+++ b/lib/stm32/exti.c
@@ -27,7 +27,7 @@
 #endif
 #include <libopencm3/stm32/gpio.h>
 
-void exti_set_trigger(uint32_t extis, exti_trigger_type trig)
+void exti_set_trigger(uint32_t extis, enum exti_trigger_type trig)
 {
 	switch (trig) {
 	case EXTI_TRIGGER_RISING: