diff --git a/sw/airborne/arm7/pwm_input.h b/sw/airborne/arm7/pwm_input.h
index ddfe27eb72..e0459eba22 100644
--- a/sw/airborne/arm7/pwm_input.h
+++ b/sw/airborne/arm7/pwm_input.h
@@ -29,7 +29,7 @@ static inline void pwm_input_isr()
   }
 }
 
-#define PWM_INPUT_IT PPM_CRI TIR_CR3I
+#define PWM_INPUT_IT TIR_CR3I
 #define PWM_INPUT_ISR()	pwm_input_isr()
 
 #endif /* PWM_INPUT_H */