diff --git a/libraries/AC_AttitudeControl/AC_AttitudeControl_Heli.h b/libraries/AC_AttitudeControl/AC_AttitudeControl_Heli.h
index c7d31fc6afef87..b2695b59cfa03a 100644
--- a/libraries/AC_AttitudeControl/AC_AttitudeControl_Heli.h
+++ b/libraries/AC_AttitudeControl/AC_AttitudeControl_Heli.h
@@ -90,7 +90,7 @@ class AC_AttitudeControl_Heli : public AC_AttitudeControl {
     void input_thrust_vector_heading(const Vector3f& thrust_vector, float heading_angle_cd, float heading_rate_cds) override;
 
     // enable/disable inverted flight
-    void set_inverted_flight(bool inverted) override { _inverted_flight = inverted;}
+    void set_inverted_flight(bool inverted) override { _inverted_flight = inverted; }
 
     // accessor for inverted flight flag
     bool get_inverted_flight() override { return _inverted_flight; }