diff --git a/src/main/target/IRCFUSIONF3/target.h b/src/main/target/IRCFUSIONF3/target.h
index 8dbd6e55b..62eec67fc 100644
--- a/src/main/target/IRCFUSIONF3/target.h
+++ b/src/main/target/IRCFUSIONF3/target.h
@@ -25,6 +25,9 @@
 
 #define USABLE_TIMER_CHANNEL_COUNT 17
 
+#define USE_EXTI
+#define MPU_INT_EXTI PC13
+
 #define EXTI_CALLBACK_HANDLER_COUNT 1 // MPU data ready, no MAG
 
 #define USE_MPU_DATA_READY_SIGNAL